Question

A brick has a mass of 3.5 kg and the Earth has a mass of 6.0 × 1027 g. What is the mass of one mole of bricks? How many moles of bricks have a mass equal to the mass of the Earth?

Answer 1

The mass of one mole of bricks is 3500 grams. To have a mass equal to the Earth, you'd need about 1.71 × 10^24 moles of bricks.