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Atoms and reactions

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Question 94

A student titrates a standard solution of sodium hydroxide, NaOH\text{NaOH}NaOH, with sulfuric acid, H2SO4\text{H}_2\text{SO}_4H2​SO4​.

25.00 cm3 of 0.115 mol dm-3 NaOH\text{NaOH}NaOH are needed to neutralise 18.60 cm3 of H2SO4(aq)\text{H}_2\text{SO}_4\text{(aq)}H2​SO4​(aq).

What is the concentration, in mol dm−3\text{mol dm}^{-3}mol dm−3, of the sulfuric acid?

A

0.05750.05750.0575

B

0.07730.07730.0773

C

0.1550.1550.155

D

0.3090.3090.309

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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