Question

starting from na2co3 sodium carbonate how will you obtain calcium bicarbonate​

Answer 1

Answer:

Simply heat baking soda or sodium bicarbonate in a 200 F oven for about an hour. Carbon dioxide and water will be given off, leaving dry sodium carbonate

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Answer 2

Answer:

by adding calcium.

Explanation:

if you add calcium in sodium carbonate then they react to form calcium bicarbonate