Skip to content

Course home

Sign up

6.2 Quantitative analysis

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586
Question 15

A student prepares magnesium sulfate crystals. The theoretical yield is 25.0 g. An empty watch glass has a mass of 6.0 g and the watch glass with the dry crystals has a mass of 21.0 g.

What percentage yield is obtained?

[1]
A

84%84\%84%

B

71.4%71.4\%71.4%

C

60%60\%60%

D

24%24\%24%

Markscheme

6.2 Quantitative analysis Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Quantitative analysis

151 exam-style questions on Edexcel GCSE Chemistry 6.2 Quantitative analysis, covering 6.2.1 Concentration in mol dm⁻³ and titration calculations, 6.2.2 Percentage yield and why actual yield falls short, 6.2.3 Atom economy of a reaction, 6.2.4 Choosing a reaction pathway, and 6.2.5 Molar volume of gases and Avogadro's law. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank