(i) Write the chemical formula of the compound formed by potassium and sulphate ions. (ii) Calculate the number of molecules of sulphur (S8) in 64 gm of sulphur. (Given atomic mass of S = 32 u. Avogadro's number = 6.022 x 1023 mol) Q17. Nitu presented a silver lamp to her mother on her birthday. The lamp contained
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Hope it helped :) .. Simple mole concept
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