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(i) Define mole. What are the two things that a mole represents?(ii) What weight of each element is present 1.5 moles of sodium sulphite, Na2SO3? (Atomic masses: Na = 23u; S = 32 u; O = 16 u.) |
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Answer» (i) Define mole. What are the two things that a mole represents? (ii) What weight of each element is present 1.5 moles of sodium sulphite, Na2SO3? (Atomic masses: Na = 23u; S = 32 u; O = 16 u.) |
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