Skip to content

Course home

Calculations involving masses

Calculations involving masses

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139
Question 43

An industrial chemical plant uses 850 tonnes850\text{ tonnes}850 tonnes of ethene.

In the reaction vessel, only 97.4% of the ethene molecules react.

Calculate the mass of ethene that has not reacted.

Give your answer to two significant figures.

[3]
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.

Question bank