An organic compound gives 0.220 g of and 0.126 g of on combustion. If %C=24, then %H is . (Nearest integer)

Question

An organic compound gives 0.220 g of  and 0.126 g of  on combustion. If %C=24, then %H is  . (Nearest integer)

Canvas Classes · Accepted Answer

Strategy:
 Given the percentage of Carbon, determine the total sample mass first. Then find the mass of Hydrogen from the produced water and calculate its percentage.

Step 1: Find total sample mass
Mass of Carbon .
Since ,
.

Step 2: Calculate mass and % of Hydrogen

Step 3: Convert to required format
.

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