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EnglandChemistryQuick questions

Topic 5: Separate chemistry 1

Quick questions on Moles, concentration and titration calculations - Edexcel GCSE Chemistry

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Calculate the moles in 50.050.0 cm3^3 of 0.2000.200 mol/dm3^3 acid. [2 marks]
What is q2?
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Convert 0.2500.250 mol/dm3^3 of HClHCl to g/dm3^3 (MrM_r HCl = 36.5). [2 marks]
What is q3?
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Why is the titration repeated until concordant titres are obtained? [1 mark]

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