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Atoms and reactions

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Question 61

A volume of solution containing 0.05 mol of H2SO4\text{H}_2\text{SO}_4H2​SO4​ is reacted with 0.15 mol of aqueous NaOH\text{NaOH}NaOH.

How many molecules of water are formed? (Use 6.02 × 1023 mol-1 for Avogadro's constant)

A

3.01×10223.01 \times 10^{22}3.01×1022

B

6.02×10226.02 \times 10^{22}6.02×1022

C

9.03×10229.03 \times 10^{22}9.03×1022

D

1.20×10231.20 \times 10^{23}1.20×1023

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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