In the determination of the molar mass of a solid acid by titrating it with a standardized base, which procedural error will yield a molar mass that is smaller than the actual value?
A. Adding the standardized base to a buret containing drops of water
B. Dissolving the weighed solid acid in twic the recommended volume of water
C. Using half as many drops of indicator as suggested
D. Weighing out half of the recommended mass of solid acid
