Question

What is the molar quantity of a `20*g` mass of citric acid, whose formula mass is `C_6H_8O_7`?

Answer 1

Approx. `0.1` `mol`.

Explanation:

We divide mass by molar mass to get an answer in moles:

`(20.0*g)/(192.12*g*mol^-1)` `=` `??mol`