A sample of pure lithium nitrate contains 7.99% lithium by mass.What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

Question

Quizplus · Accepted Answer

The % lithium by mass is constant in pure lithium nitrate. Therefore, if the mass of the sample is doubled, the amount of lithium in the sample will also double, but the % lithium by mass will remain unchanged. Therefore, the % lithium by mass in the second sample is also 7.99%.

A Sample of Pure Lithium Nitrate Contains 7