Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
16.7 grams of NH, in 1.50 liters of solution? (molar mass of 16. What is the...
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a...
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
Question 31 2 pts What is the molarity of a solution containing 16.7 grams of HCl...
Question 31 2 pts What is the molarity of a solution containing 16.7 grams of HCl in 1500 mL of solution? 0.000305 M 0 111M O 0.0111M 0.305 M 2 pts Question 32 Given: HSO32- + HSO42- =H2SO3 + SO42- In the forward reaction, HSO3+ is acting as a Bronsted acid In the reverse reaction, SO42- is acting as a Bronsted acid In the reverse reaction, H2SO3 is acting as a Bronsted base In the forward reaction, HSO41 is acting...
8. You prepare a 500 ml solution that contains 436 NOH The solution has a density...
8. You prepare a 500 ml solution that contains 436 NOH The solution has a density o has a measured density of 1.100 g/ml The density of 100 ml. and the density o NaOH is 2.13 g/cm. Complete the following table: Mass of Solute Moles of Solute Volume of Solute Mass of Solvent Moles of Solvent m (moles solute/kg solvent) Total Moles of Solution mole fraction NaOH Mass of Solution mole fraction H20 Volume of Solution ppm (mg solute/L solution)
What Molarity of NaCl would give a 300mOsm solution so as to be isotonic to ECF...
What Molarity of NaCl would give a 300mOsm solution so as to be isotonic to ECF and ICF Set up and solve for X: (cross multiply) 300 mOsm X 2000 mOsmTM Try this on your own, then read on. Show work here: You should have an answer of 0.15 M. If you don't: please ask for help. You need to be able to get that calculation for the next part. Now find the number of grams per liter needed to...
Calculate the molarity of each of the following: a. 2.00 mol of glucose in 4.00 L of a glucose solution b. 4.00 g...
Calculate the molarity of each of the following: a. 2.00 mol of glucose in 4.00 L of a glucose solution b. 4.00 g of KOH in 2.00 L of a KOH solution c. 5.85 g of NaCl in 400. mL of a NaCl solution Calculate the grams of solute needed to prepare each of the following: a. 2.00 L of a 1.50 M NaOH solution b. 4.00 L of a 0.200 M KCl solution c. 25.0 mL of a 6.00...
30. If we wish to prepare 250 mL of 0.200 M BaCl, solution, how much solid...
30. If we wish to prepare 250 mL of 0.200 M BaCl, solution, how much solid BaCl, is needed? a. 4.17 g b.5.21 g c. 10.4 g d. 20.8 g 31. A solution is prepared by dissolving 3.50 grams of NHCl in enough water to make 250 mL of solution. What is the concentration of this solution? a. 0.0327 M b. 0.0654 M c. 0.131 M d. 0.262 M 32. What is the mass of NaCl in a 0.500 L...
he mass of solvent present are given. ercent of NaCl present in each solution. 26 For...
he mass of solvent present are given. ercent of NaCl present in each solution. 26 For each of the following aqueous NaCl solution mass of solute and the mass of solvent nr Calculate the mass percent of NaCl present a. 15.0 g NaCl, 27.0 g H,O b. 8.00 g NaCl, 433 g H,O c. 25.0 g NaCl, 137.0 g H,O d. 729 mg NaCl, 3.00 g HO
1).A solute is a strong electrolyte that ionizes into 2 ions. What is the molar mass...
1).A solute is a strong electrolyte that ionizes into 2 ions. What is the molar mass of this solute if 22.34 grams added to exactly 1 kg of solvent change the boiling point by 0.871. (The Kb value for this solute is 0.577 °C/m). Record your answer as a whole number. 2). A sodium hydroxide solution that contains 15 grams of NaOH per L of solution has a density of 1.13 g/mL. Calculate the molality of the NaOH in this...
1. Identify the solute and solvent in each solution composed of the following: 10.0 mL of...
1. Identify the solute and solvent in each solution composed of the following: 10.0 mL of acetic acid in 200 mL of water 100 mL of water and 5.0 g of sugar What is the molarity of a solution made by dissolving 2.355 g of sulfuric acid (H2SO4) in water and diluting to a final volume of 50.0 mL? What will happen to a red blood cell placed in a 10% (m/v) glucose solution? In 0.1% NaCl?
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent....
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent. B. moles of solute dissolved in 1 kg of solvent. C. moles of solute dissolved in 1 L of solvent. D. moles of solute dissolved in 1 L of solution. E. moles of solute dissolved in the solution. 13. What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH? A. 0.250 L D. 0.250 mL B. 40.0 mL E. 0.0400 mL...
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
Question 31 2 pts What is the molarity of a solution containing 16.7 grams of HCl in 1500 mL of solution? 0.000305 M 0 111M O 0.0111M 0.305 M 2 pts Question 32 Given: HSO32- + HSO42- =H2SO3 + SO42- In the forward reaction, HSO3+ is acting as a Bronsted acid In the reverse reaction, SO42- is acting as a Bronsted acid In the reverse reaction, H2SO3 is acting as a Bronsted base In the forward reaction, HSO41 is acting...
8. You prepare a 500 ml solution that contains 436 NOH The solution has a density o has a measured density of 1.100 g/ml The density of 100 ml. and the density o NaOH is 2.13 g/cm. Complete the following table: Mass of Solute Moles of Solute Volume of Solute Mass of Solvent Moles of Solvent m (moles solute/kg solvent) Total Moles of Solution mole fraction NaOH Mass of Solution mole fraction H20 Volume of Solution ppm (mg solute/L solution)
What Molarity of NaCl would give a 300mOsm solution so as to be isotonic to ECF and ICF Set up and solve for X: (cross multiply) 300 mOsm X 2000 mOsmTM Try this on your own, then read on. Show work here: You should have an answer of 0.15 M. If you don't: please ask for help. You need to be able to get that calculation for the next part. Now find the number of grams per liter needed to...
Calculate the molarity of each of the following: a. 2.00 mol of glucose in 4.00 L of a glucose solution b. 4.00 g of KOH in 2.00 L of a KOH solution c. 5.85 g of NaCl in 400. mL of a NaCl solution Calculate the grams of solute needed to prepare each of the following: a. 2.00 L of a 1.50 M NaOH solution b. 4.00 L of a 0.200 M KCl solution c. 25.0 mL of a 6.00...
30. If we wish to prepare 250 mL of 0.200 M BaCl, solution, how much solid BaCl, is needed? a. 4.17 g b.5.21 g c. 10.4 g d. 20.8 g 31. A solution is prepared by dissolving 3.50 grams of NHCl in enough water to make 250 mL of solution. What is the concentration of this solution? a. 0.0327 M b. 0.0654 M c. 0.131 M d. 0.262 M 32. What is the mass of NaCl in a 0.500 L...
he mass of solvent present are given. ercent of NaCl present in each solution. 26 For each of the following aqueous NaCl solution mass of solute and the mass of solvent nr Calculate the mass percent of NaCl present a. 15.0 g NaCl, 27.0 g H,O b. 8.00 g NaCl, 433 g H,O c. 25.0 g NaCl, 137.0 g H,O d. 729 mg NaCl, 3.00 g HO
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent. B. moles of solute dissolved in 1 kg of solvent. C. moles of solute dissolved in 1 L of solvent. D. moles of solute dissolved in 1 L of solution. E. moles of solute dissolved in the solution. 13. What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH? A. 0.250 L D. 0.250 mL B. 40.0 mL E. 0.0400 mL...
Most questions answered within 3 hours.
-
Write a program to solve the Josephus problem, with the following
modification:
Sample Input:
./a.out n...
asked 11 minutes ago -
At the start of a CD it is spinning at a rate of 525 rpm
(revolutions...
asked 46 minutes ago -
4. Without doing any calculations, predict whether the observed
∆T would increase, decrease or remain the...
asked 2 hours ago -
Based on the range, which of the following sets of scores has
the greatest variability? 3,...
asked 3 hours ago -
Ripples in a pond travel at a velocity of 3 m/s with one peak
passing a...
asked 2 hours ago -
A man stands on the roof of a building of height 13.0 mm and
throws a...
asked 3 hours ago -
The extent to which assets are financed by borrowed funds and
other liabilities is indicated by:...
asked 4 hours ago -
Explain in detail
Germany is the fifth largest economy
explain what goods and services Germany specializes...
asked 4 hours ago -
The density of platinum is 21.45 g/mL. If a cube of platinum
with a mass of...
asked 4 hours ago -
Accounts Receivable
Sales
A/R Posting
Extended Sales Invoice
Packing Slip
Compare invoice to packing slip 2...
asked 4 hours ago -
Michaella, age 23, is a full-time law student and is claimed by
her parents as a...
asked 4 hours ago -
Why are polymers not typically casted into products?
asked 4 hours ago