Question

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?

Answer 1

Answer:The valency of B will be 5

Baking soda contains one sodium atom, one hydrogen atom, one carbon atom, and three oxygen atoms

Step-by-step explanation:

Answer 2

The valency of B will be 5

Baking soda contains one sodium atom, one hydrogen atom, one carbon atom, and three oxygen atoms

Step-by-step explanation:

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