Ch 9 The Mole REVIEW

Front

How many grams are in 25 mol of calcium?

Back

1001.95 g Ca

Front

How many moles are in 7.2 grams of carbon?

Back

0.599 mol C

Front

How many moles are in 2.107 × 10²⁴ particles of calcium?

Back

3.5 mol Ca

Front

How many atoms are in 150 g of oxygen?

Back

5.873 × 10²⁴

Front

How many atoms are in 162 g of lead?

Back

4.588 × 10²³

Front

How many molecules are there in 31.8 moles of water?

Back

1.91 x 10²⁵ molecules

Front

Back

Front

In chemistry, a "mole" is:

Back

A unit of measurement to count particles

Front

What is the unit for molar mass?

Back

g/mol

Front

What is the mass of 1.2 x 10²⁴ atoms of C?

Back

24 grams