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Question 1

Calculate the number of moles of H₂SO₄ in 50 cm³ of a 0.50 moldm^-3 solution.

Question 2

Calculate the number of moles of FeSO₄ in 25 cm³ of a 0.2 moldm^-3 solution.

Question 3

Calculate the mass of KMnO₄ in 25 cm³ of a 0.02 moldm^-3 solution.

Question 4

Calculate the mass of Pb(NO₃)₂ in 30 cm³ of a 0.1 moldm^-3 solution.

Question 5

What is the molarity of 1.06g of H₂SO₄ in 250 cm³ of solution?

Question 6

What is the molarity of 15.0 g of CuSO₄.5H₂O in 250 cm³ of solution?

Question 7

What volume of a 0.833 moldm^-3 solution of H₂O₂ will be required to make 250 cm³ of a 0.100 moldm^-3 solution?

Question 8

What volume of a 0.50 moldm^-3 solution of HCl will be required to make 100 cm³ of a 0.050M solution?

Question 9

How many moles of NaCl are there in 25 cm³ of a 50 gdm^-3 solution?

Question 10

What is the concentration of each type of ion in solution after 23.69 mL of 3.611 M NaOH is added to 29.10 mL of 0.8921 M H₂SO₄? Assume that the final volume is the sum of the original volumes.

Question 11

Given 8.00 g of HBr calculate the volume (mL) of a 48.0% (weight/weight) solution. (MW HBr: 80.9119 g/mol, density: 1.49 g/mL). Then, calculate the molarity.

Question 12

A solution is made by dissolving 0.100 mol of NaCl in 4.90 mol of water. What is the mass % of NaCl?

Question 13

You need to make an 80.0 g mixture of ethanol and water containing equal molar amounts of both, what mass of each substance would be required?