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10.2 Hydrocarbons

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Question 9
H

How many hydrogen atoms are in 2.90 g of butane, C4H10\mathrm{C_{4}H_{10}}C4​H10​?

(relative atomic masses: C = 12, H = 1; Avogadro constant = 6.02 × 1023 per mol)

[1]
A

3.01×10223.01\times10^{22}3.01×1022

B

1.20×10231.20\times10^{23}1.20×1023

C

3.01×10233.01\times10^{23}3.01×1023

D

4.21×10234.21\times10^{23}4.21×1023

Markscheme

10.2 Hydrocarbons Questions

  1. GCSE
  2. /Chemistry
  3. /10.2 Hydrocarbons

36 exam-style questions on Edexcel GCSE Chemistry 10.2 Hydrocarbons, covering 10.2.1 Formulae and structures of the alkanes, 10.2.2 Alkenes and the C=C functional group, 10.2.3 Addition reactions of alkenes and testing for unsaturation, and 10.2.4 Combustion of alkanes and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.

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