Mole to Liter Stoichiometry Practice

grams of lead (IV) nitrate (M = 455.2 g/mol) are dissolved to make 465 mL of solution. What is the concentration in mol/L ?

• 0.0123 mol/L

• 0.0464 mol/L

• 0.0680 mol/L

• 0.0914 mol/L

What is the concentration in mol/L of 122.5 g of AlCl₃ (M = 133.33 g/mol) in 1.0 L of solution?

• 1.225 mol/L

• 0.92 mol/L

• 0.1225 mol/L

• 9.2 mol/L

What is the volume (in liters) of a 0.20 mol/L solution that contains 0.30 moles of Na₂SO₄ dissolved in it?

• 1.5 L

• 0.060 L

• 0.67 L

• 2.3 L

How many moles in 1 litre of 1 mol/L solution of NaOH?

• 0.025 mol

• 1 mol

• 40 mol

• 44 mol

What is the primary goal of using a balanced equation in stoichiometry?

• To calculate the energy released in a reaction

• To write mole ratios correctly for stoichiometry problems

• To identify the physical states of reactants and products

• To determine the catalyst required for a reaction

How can the amount of any substance needed or produced in a reaction be calculated?

• Using the atomic mass

• Using the mole ratios

• Using the volume of the reactants

• Using the density of the substances

Tags

NGSS.HS-PS1-7

What does stoichiometry primarily involve the study and calculation of?

• The time required to complete chemical reactions

• The energy changes in chemical reactions

• The relative amounts of substances involved in chemical reactions

• The speed at which chemical reactions occur

• 22.4 L

• 44.8 L

• 11.2 L

• 33.6 L

• 22.4 L

• 44.8 L

• 67.2 L

• 134.4 L

• 11.2 L

• 22.4 L

• 5.6 L

• 44.8 L