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Chemistry
GCSE

titration calculation: 35cm3 of Hydrochloric Acid reacts with 27.5cm3, 0.3mol/dm3 NaOH. What is the Concentration of the Hydrochloric Acid?

  1. Write out what you know:

    HCL - VOL: 35 --- CONC: (x) --- MOL: (x)
    NaOH - VOL: 27.5 --- CONC: 0.3 --- MOL: (x)

  2. Realise what you can work out - Mol of NaOH in ...
GK
Answered by Ghazn K. Chemistry tutor
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Give the pH of an alkaline solution

pH 8-14 (anything above pH 7 can be seen as alkaline)

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How do perturbations to a system affect the equilibrium position of a reaction?

If a perturbation is applied to a system in dynamic equilbirium, the position of equilbirium will shift to favour the reaction which minimises the effect of the perturbation. If the forward reaction is ex...

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In fractional distillation the shorter hydrocarbons have lower boiling points and distil off first. Why?

Boiling points are determined by the interactions between the individual hydrocarbon molecules. The weaker the interactions, the ...

HB
Answered by Hannah B. Chemistry tutor
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Why do acids have low pHs and alkaline solutions have high pHs?

The pH scale is a measure of how many H+ ions...

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