CAPE Physics Unit 1 · 2010 · Paper 1 · Question Q4

The molar mass of aluminium is 27\text{ g} and its density is 2700\text{ kg m}^{-3}. The number of aluminium atoms in a piece of aluminium with a volume of 1.0\text{ m}^3 is approximately

1. (A)6 \times 10^{25}
2. (B)6 \times 10^{26}
3. (C)6 \times 10^{27}
4. (D)6 \times 10^{28}