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Calculations involving masses

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Question 34

Calculate the percentage by mass of potassium in potassium carbonate, $K2CO3\text{K}_2\text{CO}_3$ .

Give your answer to 1 decimal place.

(relative atomic masses: $K=39.0\text{K} = 39.0$ , $C=12.0\text{C} = 12.0$ , $O=16.0\text{O} = 16.0$ )

[3]

Markscheme

Calculations involving masses Questions

GCSE
Chemistry
Calculations involving masses

258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.

Calculations involving masses

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Calculations involving masses

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Question 34

Calculate the percentage by mass of potassium in potassium carbonate, $K2CO3\text{K}_2\text{CO}_3$ .

Give your answer to 1 decimal place.

(relative atomic masses: $K=39.0\text{K} = 39.0$ , $C=12.0\text{C} = 12.0$ , $O=16.0\text{O} = 16.0$ )

[3]

Markscheme

Calculations involving masses Questions

GCSE
Chemistry
Calculations involving masses

258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.