Atomic Mass and the Mole (Grade 10 NSC Matric Physical Sciences): Quizzes

The SI unit for amount of substance

$6.022 \times 10^{23}$

$\text{g·mol}^{-1}$

$n = \frac{m}{M}$

$0.21$ mol

327 g

$3.011 \times 10^{24}$ atoms

Add masses of 2 H, 1 S, and 4 O atoms

12.0 $\text{g·mol}^{-1}$

When we measure its atomic mass in grams