Author Question: An aliquot (28.7 mL) of a KOH solution required 31.3 mL of 0.118 M HCl for neutralization. What mass ... (Read 45 times)

ARLKQ · **on:** Aug 27, 2018

An aliquot (28.7 mL) of a KOH solution required 31.3 mL of 0.118 M HCl for neutralization. What mass (g) of KOH was in the original sample?

A) 1.64
B) 7.28
C) 0.173
D) 0.207
E) 0.414

Question 2

Which vitamin promotes the development of healthy bones and the absorption of calcium and phosphate?

A) vitamin C
B) vitamin E
C) vitamin D
D) vitamin K