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Amount of substance

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Question 18

Phosphoric acid is a tribasic acid. What mass of calcium hydroxide, Ca(OH)2\text{Ca(OH)}_2Ca(OH)2​, is required to completely neutralise 450 cm3 of 0.150 mol dm-3 phosphoric acid?

1.67 g1.67\text{ g}1.67 g

3.33 g3.33\text{ g}3.33 g

5.00 g5.00\text{ g}5.00 g

7.50 g7.50\text{ g}7.50 g

Amount of substance Questions

  1. A Level
  2. /Chemistry
  3. /Amount of substance