A student doing a titration found out that 12.5cm3 of aqueous KOH with a concentration of 0.0200 exactly neutralised 25.0cm3 of nitric acid. What is the concentration of the nitric acid? (concentration units have been excluded to avoid giving away answer
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Card 7
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Ammonium nitrate( NH4NO3) is used as a fertiliser. How much nitrogen does it contain by mass?
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Card 8
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What colour and state is anhydrous copper(II) sulphate?
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Card 9
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What is the oxidation number of oxygen bonded in peroxides?
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Card 10
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What happens to the first ionisation energy down a group?
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Card 11
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Oxidation and reduction involves only oxygen?
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Card 12
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How many f orbitals are there?
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Card 13
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The first ionisation energy of O is greater than the ionisation energy of N?
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Card 14
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What do successive ionisation energies provide evidence for?
