4&5 QUESTION 4 How many grams of vitamin C (C6H306, 176.1 g/mol) are required to make...

Question

Question

4&5

Answer 1

Answer #1

4)

moles = molarity x volume

= 0.15 x 0.250

= 0.0375

molar mass = 176.1 g / mol

mass = moles x molar mass

= 0.0375 x 176.1

= 6.60 g

answer : A) 6.6 g

Question 5)

answer : 0^o , 1.5 atm

explanation: low temperature and high pressure is needed to high solubility

Answer 2

Similar Homework Help Questions

1) A) If I want to make 225.0 g of Fe, how many grams of C...

1) A) If I want to make 225.0 g of Fe, how many grams of C will I need for my experiment? B) If I want to make 225g of Fe, how many grams of Fe2O3 will I need for my experiment? 2) There are 3.00 moles of oxygen gas and 6.00 moles of nitrogen gas in a 10.0 L container at 300K. A) What is the total pressure (in atm) of the gas mixture? B) What is the partial...
What would be the volume of 16 grams of He (aw -4) at 0 degrees C...

What would be the volume of 16 grams of He (aw -4) at 0 degrees C and I atm pressure? (4 points) 8. 9. What would be the pressure of a gas in a sealed container (constant volume) at 600 mm of pressure at 20 degrees C if it were heated to 800 degrees C? (4 points) 10. What would be the partial pressure of hydrogen in a mixture of nitrogen, oxygen, and hydrogen with an overall pressure of 20...
molar 7. How many grams of CO 28.01 /mol) must be bumed to produce 225 kJ...

molar 7. How many grams of CO 28.01 /mol) must be bumed to produce 225 kJ of heat urma 2006 +020 200260 AH = -566 kJ c) 2238 ite a) 0.398 8 b) 0.795 g c) 2.52 g d) 11.1 g 3. Calculate the mass of excess reactant remaining after 4.50 mol of LHCO (67.96 R/mol) and 8.50 mol of H2504 (98.08 g/mol) reacted according to the equation shown below. 2LHCO3 + H2SO4 - Li2SO4 + 2H20 + 2002 e)...

Vitamin C Project Lab: Part B: Data analysis Calculate the grams of Vitamin C in your...

Vitamin C Project Lab: Part B: Data analysis Calculate the grams of Vitamin C in your Erlenmeyer. (as in titration #1 ) Calculate the grams of Vitamin C per tablet. Calculate a percent error by comparing your result to the tablet dose above. Determine the % composition of vitamin C in the tablet Build a data table similar to the one you used for titration # 1 to calculate the following: 1. 2 3. 4. Show all your work Trial...
ACCOUNT Question 4 10 Points How many moles of oxygen are required to produce 200.0g H2O?...

ACCOUNT Question 4 10 Points How many moles of oxygen are required to produce 200.0g H2O? BLANK-1 mol O2 BLANK-1 Add your answer Question 5 10 Points How many grams of oxygen are needed to produce 250.0 g of CO2? BLANK-1 g 02 BLANK-1 Add your answer Question 6 10 Points How many grams of C8H18 are needed to form 4.00 L of CO2 gas? BLANK-1 8 C8H18 BLANK-1 Add your answer Question 7 10 Points How many liters of...
How many grams of sodium are required to make .555 g of hydrogen gas? Question 27...

How many grams of sodium are required to make .555 g of hydrogen gas? Question 27 (2 points) How many grams of sodium are required to make.555 g of hydrogen gas? 2 Na(s) + 2 H2O(1) --> 2 NaOH(aq) + H2(g) a) 6.38 Ob) 1.11 c) 25.5 d) 12.8 e) 51.1 Question 28 (2 points) Which procedure is most appropriate to prepare 200 mL of 0.050 M C6H1206 aqueous solution?

QUESTION 5 8 MARKS a) How many grams of BaCl2.2H2O (MW = 244.27 g/mol) you need...

QUESTION 5 8 MARKS a) How many grams of BaCl2.2H2O (MW = 244.27 g/mol) you need to prepare 250 mL of 0.15 M chloride ion solution? 2 marks b) It was established that this reagent was contaminated by CaCl2 (MW = 181.82 g). The content of calcium in the solid sample was found to be 4750 ppm (w/w). What was the percentage decrease in the molar Barium ion concentration caused by this contamination? 6 marks hi chemists I recieved this...
Question 2 of 15 How many moles are in 57.0 grams of RbF? mol 1 4...

Question 2 of 15 How many moles are in 57.0 grams of RbF? mol 1 4 2 5 3 6 7 8 9
Question 27 5 pts How many grams of lithium fluoride, LiF (MW = 25.94 g/mol), are...

Question 27 5 pts How many grams of lithium fluoride, LiF (MW = 25.94 g/mol), are required for a 65.0 mL of a 0.725 MHF solution to make a buffer at a pH = 3.85? (Ka = 7.2 x 10-4) O 6.23 O 0.380 O 0.247 O 0.329 0 0.0562

c. How many moles of oxygen gas were produced? Round your answer to 4 sig figs....

c. How many moles of oxygen gas were produced? Round your answer to 4 sig figs. Question le Answer d. Calculate the experimental value for the gas constant R with units of L'atm/mol K. Round your answer to 4 sig figs. . 23L PV = nRT Question 1d Answer olzan o (2 mol 10.08. 2016 (29ct 2. While decomposing a KCIO, mixture, the experiment apparatus used to collect the oxygen gas sprang a leak. Would this error cause the following...