Q3. a) Calculate the number of moles in each of the following
i) 10g of calcium carbonate
(atomic mass of Ca=40u, C=12u, O=16
ii) 1023 molecules of CO2
b) What is the mass of 2.5 moles of CIZ?
c) Name the elements present in potassium sulphate.
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Answer:
ClZ is not any kind of compound.
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