Question

The molar mass of vitamin C is 172.12g. What is the mass in grams of 0.000142 mol of vitamin C?

Answer 1

Answer ⇒ The mass of the 0.000142 mole of Vitamin C is 0.024 g.

Explanation/Calculation ⇒ Molar Mass of the Vitamin C = 172.123 g.

This means 1 mole of the Vitamin C occupy a mass of the 172.123 g.

Now,

0.000142 mole will occupy the mass of the 172.123 × 0.000142 g.

= 0.024 g.

Hence, the mass of the 0.000142 mole of Vitamin C is 0.024 g.

Note : The Chemical formula of the Vitamin C is C₆H₈O₆.

Hope it helps.