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​Q13: Answers – Paper 3 – June 2019

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• Density​

Quizzes:

• Density

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Working

The density of ethanol is 1.09 g/cm³ 

The density of propylene is 0.97 g/cm³

 

60 litres of ethanol are mixed with 128 litres of propylene to make 188 litres of antifreeze.

 

Work out the density of the antifreeze.

Give your answer correct to 2 decimal places.

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Question

13) 

The density of ethanol is 1.09 g/cm³ 

The density of propylene is 0.97 g/cm³

 

60 litres of ethanol are mixed with 128 litres of propylene to make 188 litres of antifreeze.

 

Work out the density of the antifreeze.

Give your answer correct to 2 decimal places.

[4 marks]​​

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