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Calculations involving masses

Calculations involving masses

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Question 54

The displayed formula of ethane-1,2-diol (ethylene glycol) is shown below.

HH∣∣H−O−C−C−O−H∣∣HH \begin{array}{ccccc} & \text{H} & \text{H} & \\ & | & | & \\ \text{H}-\text{O} & -\text{C} & -\text{C} & -\text{O}-\text{H} \\ & | & | & \\ & \text{H} & \text{H} & \end{array} H−O​H∣−C∣H​H∣−C∣H​−O−H​

Which of the following is the empirical formula for ethane-1,2-diol?

A

CH2O\text{CH}_2\text{O}CH2​O

B

C2H6O2\text{C}_2\text{H}_6\text{O}_2C2​H6​O2​

C

CH3O\text{CH}_3\text{O}CH3​O

D

C2H3O\text{C}_2\text{H}_3\text{O}C2​H3​O

Markscheme

Calculations involving masses Questions

  1. GCSE
  2. /Chemistry
  3. /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.

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