A student prepares a solution of potassium nitrate by dissolving 0.05 kg of
CHEMISTRY, M2 EQ-Bank 10
- A student is asked to prepare 500.0 mL of a 0.150 mol L
standard solution of oxalic acid , and then to perform a dilution to produce 250.0 mL of a 0.0300 mol L solution. Outline and explain each step in this process, including the calculations involved and choice of equipment. (5 marks)
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- Justify the procedure in part (a.) by explaining two measures taken to ensure the accuracy of the standard solution and diluted solution produced. (2 marks)
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CHEMISTRY, M2 EQ-Bank 8 MC
A student prepares a standard solution of sodium chloride. They dissolve 5.85 g of sodium chloride
- 0.100 mol L
- 0.500 mol L
- 1.00 mol L
- 5.85 mol L
CHEMISTRY, M2 EQ-Bank 9
Sulfuric acid and potassium carbonate undergo neutralisation according to the following equation:
- Calculate the mass of potassium carbonate required to prepare 200 mL of a 0.15 mol L
solution of potassium carbonate. (2 marks)
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- 30.00 mL of the solution in part (a.) was used to neutralise 20.00 mL of sulfuric acid. Calculate the concentration of the acid. (2 marks)
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CHEMISTRY, M2 EQ-Bank 7 MC
A solution is prepared by dissolving 2.00 g of calcium hydroxide
- 0.108 mol L
- 0.0540 mol L
- 0.0270 mol L
- 0.0162 mol L
CHEMISTRY, M2 EQ-Bank 8
Calculate the concentration of sulfate ions present in a 750.0 mL aqueous solution containing 20.0 g of dissolved iron
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CHEMISTRY, M2 EQ-Bank 7
- 4.56 g of potassium chloride
is dissolved in 250 mL of water. What is the concentration of this solution? (2 marks)
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- How many grams of calcium chloride
will be needed to make 1.50 L of a 0.250 M solution? (2 marks)
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CHEMISTRY, M2 EQ-Bank 6
Iron
- Calculate the mass of precipitate formed when 25.0 mL of 0.150 mol L
iron nitrate solution is added to 40.0 mL of 0.250 mol L sodium hydroxide solution. (3 marks)
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- Calculate the concentration of nitrate ions in the final solution. (2 marks)
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CHEMISTRY, M2 EQ-Bank 5
The compound potassium nitrate has the formula
- A student makes a solution of this compound by dissolving 40.0 g in 250.0 mL of distilled water. Calculate the concentration of this solution in mol L
. (2 marks)
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- The student now requires 500.0 mL of a 5.0% (w/v) solution. What volume of the solution in part (a) is required to make this? (3 marks)
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CHEMISTRY, M2 EQ-Bank 1
A solution is prepared by dissolving 5.00 g of sodium carbonate
Calculate the concentration of the sodium carbonate solution in mol L
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CHEMISTRY, M2 EQ-Bank 1 MC
A glucose solution is prepared by dissolving pure glucose
What is the concentration of glucose in the solution?
CHEMISTRY, M2 EQ-Bank 2
A 500 mL solution contains 10.0 g of
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CHEMISTRY, M2 2018 VCE 2c
A solution of
Calculate the concentration of
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CHEMISTRY, M2 2011 HSC 18* MC
A household cleaning agent contains a weak base with the formula
What is the molar mass of the weak base?
- 82.0 g mol
- 84.0 g mol
- 122 g mol
- 410 g mol
CHEMISTRY, M2 2015 HSC 26c
The sodium hydroxide solution was mixed with 25.0 mL samples of 0.100 mol L
Calculate the concentration of the sodium hydroxide solution. (4 marks)