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7.3 - Mole and Concentration of Solutions Part 3

Question 1 of 210 correct · 0 wrong

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✅EvaluateQuestion 1 of 21

Which of the following represents concentration in mol dm⁻³?

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✅EvaluateQuestion 2 of 21

The term ‘solute’ refers to:

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✅EvaluateQuestion 3 of 21

Which unit is used for expressing concentration in g dm⁻³?

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✅EvaluateQuestion 4 of 21

Which formula is used to calculate concentration in mol dm⁻³?

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✅EvaluateQuestion 5 of 21

1 dm³ is equivalent to:

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✅EvaluateQuestion 6 of 21

What is the concentration of a solution containing 10 g of NaCl in 1 dm³?

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✅EvaluateQuestion 7 of 21

Which statement best describes molar concentration?

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✅EvaluateQuestion 8 of 21

Find the concentration in mol dm⁻³ of 0.5 mol of NaOH in 0.25 dm³ of solution.

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✅EvaluateQuestion 9 of 21

Calculate the number of moles in 250 cm³ of 2 mol dm⁻³ HCl solution.

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✅EvaluateQuestion 10 of 21

Which of the following correctly converts mol dm⁻³ to g dm⁻³?

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✅EvaluateQuestion 11 of 21

The concentration of 20 g of NaOH in 500 cm³ is: (M = 40 g/mol)

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✅EvaluateQuestion 12 of 21

When a 2 mol dm⁻³ NaOH solution is diluted from 100 cm³ to 500 cm³, its new concentration is:

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✅EvaluateQuestion 13 of 21

A student dissolves 5 g of KCl in 250 cm³ of water. What is the concentration in g dm⁻³?

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✅EvaluateQuestion 14 of 21

A 1 mol dm⁻³ H₂SO₄ solution contains how many moles of solute in 250 cm³?

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✅EvaluateQuestion 15 of 21

What volume of 0.2 mol dm⁻³ HCl contains 0.05 mol of solute?

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✅EvaluateQuestion 16 of 21

Calculate the mass of NaOH in 250 cm³ of a 0.5 mol dm⁻³ solution. (M = 40 g/mol)

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✅EvaluateQuestion 17 of 21

What is the final concentration when 100 cm³ of 1.0 mol dm⁻³ acid is diluted to 400 cm³?

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✅EvaluateQuestion 18 of 21

If 25 cm³ of 0.2 mol dm⁻³ H₂SO₄ reacts completely with NaOH, how many moles of H₂SO₄ were used?

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✅EvaluateQuestion 19 of 21

Which of the following equations correctly represents a dilution process?

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✅EvaluateQuestion 20 of 21

A 0.5 mol dm⁻³ solution contains 25 g of solute. What is the molar mass of the solute? (V = 1 dm³)

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✅EvaluateQuestion 21 of 21

A chemist dilutes 250 cm³ of a 2 mol dm⁻³ HCl solution to make 1 mol dm⁻³. What is the final volume?

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✅EvaluateQuestion 1 of 21

Which of the following represents concentration in mol dm⁻³?

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