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Monitoring chemical reactions

Monitoring chemical reactions

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Question 31

40.1 g of calcium reacts to make 56.1 g of calcium oxide, CaO\text{CaO}CaO.

2Ca+O2→2CaO 2\text{Ca} + \text{O}_2 \rightarrow 2\text{CaO} 2Ca+O2​→2CaO

How much calcium oxide will be made from 0.401 g of calcium?

A

0.0561 g0.0561\text{ g}0.0561 g

B

0.561 g0.561\text{ g}0.561 g

C

5.61 g5.61\text{ g}5.61 g

D

56.1 g56.1\text{ g}56.1 g

Markscheme

Monitoring chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Monitoring chemical reactions

91 exam-style questions on OCR GCSE Chemistry Monitoring chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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