Given the task definition and input, reply with output. Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Analytical balance instrument is used to make very sensitive mass measurements in a laboratory, usually in grams.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
What instrument is used to make very sensitive mass measurements in a laboratory, usually in grams?