Multiple Choice
You dissolve 1.22 g of an unknown diprotic acid in 155.0 mL of H2O. This solution is just neutralized by 6.22 mL of a 1.23 M NaOH solution. What is the molar mass of the unknown acid?
A) 1.33 × 102 g/mol
B) 3.19 × 102 g/mol
C) 3.09 × 102 g/mol
D) 1.59 × 102 g/mol
E) 1.96 × 102 g/mol
Correct Answer:

Verified
Correct Answer:
Verified
Q15: How many moles of HCl(g) must be
Q16: Derive the Henderson-Hasselbalch equation from the K<sub>a</sub>
Q17: Silver acetate (AgC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>) is a sparingly soluble
Q18: What is the pH of a solution
Q19: A 200.0-mL sample of the weak acid
Q21: Consider the following information about the diprotic
Q22: You have two salts, AgX and AgY,
Q23: Given the following values of equilibrium constants:
Q24: Sodium chloride is added slowly to a
Q25: What quantity of NaOH(s) must be added