CP Chem Exam Review 5

Front

What is the molar mass of CH₄ (methane)?

Back

The molar mass of CH₄ is 16 g/mol.

Front

How do you calculate the number of moles from mass?

Back

Number of moles = mass (g) / molar mass (g/mol).

Front

What is the mass of 4.0 moles of CH₄?

Back

64 g.

Front

How many moles are in 16.94 g of water (H₂O)?

Back

0.94 mol H₂O.

Front

What is the molar mass of water (H₂O)?

Back

The molar mass of H₂O is 18 g/mol.

Front

How do you balance a chemical equation?

Back

Adjust coefficients to ensure the same number of each type of atom on both sides.

Front

Balance the equation: Cs + MgF₂ → CsF + Mg.

Back

2, 1, 2, 1.

Front

What is the molar mass of Lithium (Li)?

Back

The molar mass of Li is 6.94 g/mol.

Front

How many moles are in 15 grams of Lithium?

Back

2.14 moles.

Front

Balance the equation: AgNO₃(aq) + Cu(s) → Cu(NO₃)₂(aq) + Ag(s).

Back

2, 1, 1, 2.