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a) The formula of a compound is AB. If the valency of B is 3, what will be the valency of A? b) Baking soda is a white solid and has the formula NaHCO3. How many of each type of atoms are there in it?
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a) The formula of a compound is AB. If the valency of B is 3, what will be the valency of A? b) Baki...
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