Homework Answers
A lotion contains 2 liters of witch hazel, which have 14% of alcohol
I.e 280ml of alcohol. 
1 liter of alcohol, which has 95% of alcohol concentration
I.e 950ml of alcohol. 
ml
The total solution is 5 liter (5,000ml) and total alcohol content is 280ml+950ml = 1230ml
Total percentage of alcohol in 5ltr of lotion is 
%
Answer - 24.6% of alcohol
Add Answer to:
Assignment IV Calculate the percentage of alcohol in a lotion containing 2 liters of witch hazel...
Find the molarity of the following solutions: Molarity = mole/Liters 1 liter - 1000 ml 1)...
Find the molarity of the following solutions: Molarity = mole/Liters 1 liter - 1000 ml 1) 2.5 moles of NaCl is dissolved to make 0.050 liters of solution 2) 3.0 moles of AgCl is dissolved in enough water to make a 2.0 liter solution 3) 4.2 moles of lithium fluoride are dissolved in 2 liters of solution. 4) 18 grams of hydrochloric acid, HCl is dissolved to make 1 liter of solution.
Find the molarity of the following solutions: Molarity - mole/Liters 1 liter = 1000 ml pter...
Find the molarity of the following solutions: Molarity - mole/Liters 1 liter = 1000 ml pter 1) 2.5 moles of NaCl is dissolved to make 0.050 liters of solution. 2) 3.0 moles of AgCl is dissolved in enough water to make a 2.0 liter solution 3) 4.2 moles of lithium fluoride are dissolved in 2 liters of solution. 4) 18 grams of hydrochloric acid, HCl is dissolved to make 1 liter of solution. Stoichiometry 1. 2Na+2H,0 ® 2NaOH+H, a). How...
II: ketone III: carboxylic acid IV: 2° alcohol V: cyclic ester II: carboxylate III: aldehyde IV:...
II: ketone III: carboxylic acid IV: 2° alcohol V: cyclic ester II: carboxylate III: aldehyde IV: epoxide V: ketone II: ketone III: carboxylic acid IV: 3° alcohol V: cyclic ester II: ether III: ketone IV: 3° alcohol V. ketone II: ketone III: carboxylic acid IV: Valcohol V/ cyclic ester 2. Choose the more stable of each of the three pairs of structures drawn below. a H 5 4. 1. 3. [c]1,3&5 6. [e] 1,4&5 [a] 1,4&6 [b] 2,4&6 [d] 2,3&5
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to...
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to make 1.50 L of solution. 2. Calculate the molarity of 50.0 mL of solution containing 7.50 g of methanol, CHO. 3. Calculate the number of moles and grams of ethyl alcohol, C2H60, in 29.21 mL of a 6.013 M solution. Dilution: 4. Calculate the final concentration of NaCl after 1.25 L of 0.500 M NaCl is (a) diluted to 2.50 L with water and...
deuterium oxide: 42 liters inulin: 13 liters
deuterium oxide: 42 liters
inulin: 13
liters
Evans blue: 2.8 liters
Her plasma shows a freezing point depression of 0.55 degrees C.
For an ideal solution, a 1 OsM solution depresses the freezing
point 1.86 degrees C.
1. osmolarity of her body fluids? --> 0.295
2. How much solute (osmoles) exists in each of the above
compartments? (shown below)
Using the data above as the initial conditions in each case,
determine the effects of the following procedures on the...
Calculate the pH of a solution containing 2.5 x 10– 2 mol of nicotinic acid (a...
Calculate the pH of a solution containing 2.5 x 10– 2 mol of nicotinic acid (a monoprotic acid) dissolved in 350 mL of water. ( Ka = 1.1 x 10- 5). The answer is 3.05. Please Help
2. (10 points) An aquarium has a 1000 L tank containing 400 L of salt water with a concentra- tio...
2. (10 points) An aquarium has a 1000 L tank containing 400 L of salt water with a concentra- tion of 210 grams per liter. A salt water solution with a concentration of 470 grams per liter is pumped into the tank at a rate of 5 liters per minute. The well-mixed solution is drained from the tank at a rate of 3 liters per minute. Additionally, the tank is uncovered, so fresh water evaporates from the tank at a...
wote TITRATION OF AN ACID WITH A BASE 2020 Pre-lab assignment ame In part A of...
wote TITRATION OF AN ACID WITH A BASE 2020 Pre-lab assignment ame In part A of the procedure, you will make a 0.2 M NaOH solution by diluting 6 M NaOH. How many milliliters of 6 M NaOH are required to make 500.0 mL of 0.2 M NaOH? Even though it will be breaking significant figure rules, give the answer to the nearest tenth. In part B of the procedure you will be dissolving oxalic acid dihydrate in water to...
How do you calculate the pH of a solution containing a weak acid or a weak...
How do you calculate the pH of a solution containing a weak acid or a weak base? Please write down the general formula for finding the H3O+ ion concentrations in case of a weak acid Please explain the common-ion effect in terms of Le Châtelier. You might want to use the general chemical equation for an acid ionization HA + H2O ↔ A- + H3O+ to help you explain the phenomenon. How do you calculate the degree of ionization? Please...
1. Please calculate the pH of a solution containing 2.0M citric acid and 1.0M sodium citrate....
1. Please calculate the pH of a solution containing 2.0M citric acid and 1.0M sodium citrate. 2. Please calculate the pH of a solution containing 1.0M tartaric acid and 1.OM potassium tartarate. 3. Please calculate the pH of a solution containing 0.25M CH NH, and 0.37M C.HNH,CI. 4. Please design a buffer system to maintain a pH of 7.20. 5. Please design a buffer system to maintain a pH of 3.70. 6. For each of the following solutions please calculate...
Find the molarity of the following solutions: Molarity = mole/Liters 1 liter - 1000 ml 1) 2.5 moles of NaCl is dissolved to make 0.050 liters of solution 2) 3.0 moles of AgCl is dissolved in enough water to make a 2.0 liter solution 3) 4.2 moles of lithium fluoride are dissolved in 2 liters of solution. 4) 18 grams of hydrochloric acid, HCl is dissolved to make 1 liter of solution.
Find the molarity of the following solutions: Molarity - mole/Liters 1 liter = 1000 ml pter 1) 2.5 moles of NaCl is dissolved to make 0.050 liters of solution. 2) 3.0 moles of AgCl is dissolved in enough water to make a 2.0 liter solution 3) 4.2 moles of lithium fluoride are dissolved in 2 liters of solution. 4) 18 grams of hydrochloric acid, HCl is dissolved to make 1 liter of solution. Stoichiometry 1. 2Na+2H,0 ® 2NaOH+H, a). How...
II: ketone III: carboxylic acid IV: 2° alcohol V: cyclic ester II: carboxylate III: aldehyde IV: epoxide V: ketone II: ketone III: carboxylic acid IV: 3° alcohol V: cyclic ester II: ether III: ketone IV: 3° alcohol V. ketone II: ketone III: carboxylic acid IV: Valcohol V/ cyclic ester 2. Choose the more stable of each of the three pairs of structures drawn below. a H 5 4. 1. 3. [c]1,3&5 6. [e] 1,4&5 [a] 1,4&6 [b] 2,4&6 [d] 2,3&5
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to make 1.50 L of solution. 2. Calculate the molarity of 50.0 mL of solution containing 7.50 g of methanol, CHO. 3. Calculate the number of moles and grams of ethyl alcohol, C2H60, in 29.21 mL of a 6.013 M solution. Dilution: 4. Calculate the final concentration of NaCl after 1.25 L of 0.500 M NaCl is (a) diluted to 2.50 L with water and...
deuterium oxide: 42 liters
inulin: 13
liters
Evans blue: 2.8 liters
Her plasma shows a freezing point depression of 0.55 degrees C.
For an ideal solution, a 1 OsM solution depresses the freezing
point 1.86 degrees C.
1. osmolarity of her body fluids? --> 0.295
2. How much solute (osmoles) exists in each of the above
compartments? (shown below)
Using the data above as the initial conditions in each case,
determine the effects of the following procedures on the...
2. (10 points) An aquarium has a 1000 L tank containing 400 L of salt water with a concentra- tion of 210 grams per liter. A salt water solution with a concentration of 470 grams per liter is pumped into the tank at a rate of 5 liters per minute. The well-mixed solution is drained from the tank at a rate of 3 liters per minute. Additionally, the tank is uncovered, so fresh water evaporates from the tank at a...
wote TITRATION OF AN ACID WITH A BASE 2020 Pre-lab assignment ame In part A of the procedure, you will make a 0.2 M NaOH solution by diluting 6 M NaOH. How many milliliters of 6 M NaOH are required to make 500.0 mL of 0.2 M NaOH? Even though it will be breaking significant figure rules, give the answer to the nearest tenth. In part B of the procedure you will be dissolving oxalic acid dihydrate in water to...
1. Please calculate the pH of a solution containing 2.0M citric acid and 1.0M sodium citrate. 2. Please calculate the pH of a solution containing 1.0M tartaric acid and 1.OM potassium tartarate. 3. Please calculate the pH of a solution containing 0.25M CH NH, and 0.37M C.HNH,CI. 4. Please design a buffer system to maintain a pH of 7.20. 5. Please design a buffer system to maintain a pH of 3.70. 6. For each of the following solutions please calculate...
Most questions answered within 3 hours.
-
Computer Programming II CS141(Java)
Mention the appropriate relationship between following
classes:
HOD–StaffMember
Car–Ferrari
Student-Address
BankAccount–FixedAccount
House-Building...
asked 48 minutes ago -
Assume one of your finals has 50 questions on it, and
lucky for you, it's all...
asked 2 hours ago -
Rice Products in Bangladesh
Business behavior is derived in large part from the basic cultural
environment...
asked 3 hours ago -
The following base sequence is found for a mRNA fragment from
wild-type E. coli: 5'- UAUCAGUAGAUAAUGUAACC-3'...
asked 3 hours ago -
For this exercise, round all regression parameters to three
decimal places.
One of the two tables...
asked 4 hours ago -
What is the 5% level of significance for mean = 3.60, standard
deviation = 0.94, and...
asked 4 hours ago -
Prior to beginning work on this discussion, please read the
article by Hayley Peterson, 15 Companies...
asked 4 hours ago -
Which pair of aqueous solutions, when mixed, will form a
precipitate?
A) NaNO3 and AgC2H3O2
B)...
asked 5 hours ago -
1-Write an algorithm to get two numbers from the user (as
inputs) and calculate the sum...
asked 8 hours ago -
Define white-collar crime. What is the difference between
offender and offense-based definitions of white-collar crime? What...
asked 9 hours ago -
Consider a reaction which is 1st order with respect to A and 1st
order with respect...
asked 9 hours ago -
c++
The length of the hypotenuse of a right-angled triangle is the
square root of the...
asked 9 hours ago