5-14 Calculate amount of solute given volume and molarity of solutions

Students' Honors Projects

5-14-SHP-1. An aqueous solution in the lab is labeled "0.100 M HC2H3O2". How many moles of acetic acid are in a 25.0 mL sample of this solution?


5-14-SHP-2. An aqueous solution in the lab is labeled "6.00 M HC2H3O2". How many grams of acetic acid are in a 2.00 L sample of this solution?


5-14-SHP-3. Commercially available vinegar is typically labeled as having "5% acidity". This means that a 100 mL sample of this vinegar contains 5 grams of acetic acid (HC2H3O2). How many moles of acetic acid is present in a 150 mL sample of vinegar with "5% acidity"?


5-14-1. How many moles of NaCl are in a 400.0 mL sample of 0.18M NaCl?
A. 0.072 mol, B. 72 mol, C. 0.45 mol, D. 2.2 mol


5-14-2. How many grams of NaCl are in a 400.0mL sample of 0.18M NaCl?
A. 2.2 g
B. 4.2 g
C. 7.2 g


5-14-3. How many moles of sodium ions are in 50.0 mL of 0.400 M Na2CO3?
A. 0.0200 mol, B. 0.0400 mol, C. 0.25 mol, D. 6.67x10-3 mol


5-14-JJW
What mass of sodium bicarbonate would you need to dissolve to make 60.0 mL of a 0.500 M solution?
A. 2.520 x 103 g
B. 30.0 g
C. 0.700 g
D. 2.52 g