Chemistry: Mole Problems #3

General Questions

5.00 mole Zn = ___ atoms Zn

20.0x10⁴⁶ molecules H₂O = ___ mole H₂O

1.50 mole Ca = ___ grams Ca

6.75 mole Cu = ___ atoms Cu

1.75 x 10¹⁵ atoms K = ___ mole K

5.00g C = ___ atoms C

45.9 g Pb = ___ mole Pb

3.01 x 10²³ molecules CO₂ = ___ mole CO₂

4.25 x 10²² atoms Ni = ___ g Ni

9.50 g Li = ___ atoms Li

10.

0.250 mole Si = ___ atoms Si

11.

2.30 mole Mg = ___ g Mg

12.

25.0 x 10²⁴ atoms Au = ___ mole Au

13.

105 g Be = ___ mole Be

14.

75.0 g S = ___ atoms S

15.

Which contains a greater number of atoms, 2.0 mole of Zn or 2.0 mole Cu?

16.

Which has a greater mass, 2.0 mole of Zn or 2.0 mole Cu?

17.

A mole of moles digs a mole of holes. How many holes does each mole dig?

18.