Investigation 8 Final Review

Front

What is the molar mass of (NH₄)₃PO₄?

Back

149.12 g/mol

Front

How many moles are in 15 grams of lithium?

Back

2.2 moles

Front

How many moles of copper are in 4.57 x 10¹³ atoms of copper?

Back

7.59 x 10⁻¹¹ moles

Front

To convert from particles to moles, you should multiply by ....

Back

1 / Avogadro's number (6.02 x 10²³)

Front

0.75 mole of copper (Cu) is equal to how many atoms?

Back

4.51 x 10²³ atoms

Front

What is Avogadro's number?

Back

6.02 x 10²³ particles/mole

Front

How do you calculate the number of moles from mass?

Back

Moles = mass (g) / molar mass (g/mol)

Front

What is the molar mass of lithium (Li)?

Back

6.94 g/mol

Front

How many grams are in 2 moles of copper (Cu)?

Back

127.0 g (2 moles x 63.5 g/mol)

Front

What is the relationship between moles and molecules?

Back

1 mole = 6.02 x 10²³ molecules