WorksheetsConcentration of solutions
Total questions: 10
Worksheet time: 10mins
What mass of pure hydrogen peroxide is dissolved in 250 mL of 6.0% (m/V) H2O2 (aq)?
12 g
25 g
6.0 g
15 g
Cola soft drinks have a sucrose concentraion of 11 % (m/V). What mass of sucrose is present in a 355 mL can of cola?
11 g
39 g
30 g
22 g
A laboratory technician is asked to prepare 250 mL of a 0.500 M aqueous solution from CuSO4⋅5H2O(s). What mass of the solute is required?
250 g
20.0 g
22.2 g
31.2 g
What is the concentration of a sodium sulfate solution if the concentration of the sodium ions is 0.18 mol/L?
0.090 mol/L
0.18 mol/L
0.36 mol/L
0.045 mol/L
Which of the following contains 1 mol of dissolved copper(II) nitrate?
500 mL of a 0.5 M solution
750 mL of a 0.75 M solution
500 mL of a 2.0 M solution
1 L of a 0.9 M solution
6.05 g of magnesium sulfate solid is dissolved in water and made up to 250 mL of solution. What is the conentration of the solution in mol/L?
A. 0.100 mol/L
B. 0.201 mol/L
C. 1.26 mol/L
D. 1.52 mol/L
Which of the following solutions contain the same number of ions?
(1) 15 mL of 0.8 M sodium carbonate solution
(2) 12 mL of 1.0 M ammonium sulfate solution
(3) 10 mL of 1.8 M ammonium nitrate solution
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
What is the mass of calcium hydroxide in 100 mL of 0.100 M calcium hydroxide solution?
A. 0.571 g
B. 0.741 g
C. 1.31 g
D. 1.48 g
How can you convert from moles per litre to grams per litre?
100 mL of 2.0 M NaOH solution is diluted by water and the final concentration becomes 0.50 M. The volume of water added to the solution is:
400ml
300ml
500ml
200ml
