Question

Gold has a density of 19.3 g/cm3. how many grams of gold make up a gold bar that is 20.0 cm x 6.0 cm x 1.0 cm

Answer 1

$d = \frac{m}{v} \\ 19.3 = \frac{m}{20 \times 6 \times 1} \\ m = 19.3 \times 20 \times 6 \times 1 \\ m = 2316g$