2.1 g of a mixture of `NaHCO_3` and `KCIO_3` required 100 " mL of " 0.1 HCl for complete reaction. Calculate the amount of residue that would be obtained on heating 2.2 g of the same mixture strongly.

Explanation

To solve the problem step-by-step, we need to analyze the reaction of the mixture of sodium bicarbonate (NaHCO3) and potassium chlorate (KClO3) with hydrochloric acid (HCl) and determine the residue after heating.

### Step 1: Determine the composition of the mixture
Let \( x \) be the mass of NaHCO3 in the mixture. Then, the mass of KClO3 in the mixture will be \( 2.1 - x \) grams.

### Step 2: Calculate the equivalents of HCl used
The volume of HCl used is 100 mL with a concentration of 0.1 N. The number of equivalents of HCl is given by:
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