500 prompts matching "Working out the formula of an ionic compound from its charges"
Spot my mistake: The physical chemistry errors examiners see most often
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Calculation practice: Calculations on empirical and molecular formulae
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Calculation practice: Deducing the identity of a salt from a full test sequence
Act as my SS3 Chemistry tutor. Walk me through deducing the identity of a salt from a full
Practice set: Carrying out a titration to concordant results
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Exam practice: Empirical and molecular formula from composition
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Spot my mistake: Reading a mole ratio off an unbalanced equation
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Project task: Measuring the molar volume of a gas experimentally
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Calculation practice: Calculating the mass crystallising out on cooling
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Calculation practice: Calculating the pH of a strong acid or a strong base
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Calculation practice: Calculating the mass of salt obtainable
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Project task: Testing the pH of several salt solutions
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Practice set: The addition reactions of the alkenes
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Calculation practice: Calculating the number of repeating units from molar mass
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Practice set: The removal of impurities as slag
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Calculation practice: Calculating the mass of iron from a mass of haematite
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Practice set: The properties of aluminium
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Practice set: The displacement reactions of the halogens
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Calculation practice: Calculating the volume of chlorine produced
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Calculation practice: Calculating the yield of sulphuric acid from sulphur
Act as my SS3 Chemistry tutor. Walk me through calculating the yield of sulphuric acid fro