The following experiment was performed in order to qetermine the formula of a hydrocarbon. The hydrocarbon X is purified by fractional distillation. 0.145 g of X were heated with dry copper (II) oxide and `224 cm^(3)` of carbon dioxide was collected at S.T.P
Calculate the empirical formula of X by the following steps :
Calculate the mass of hydrogen in sample X.

Explanation

To calculate the mass of hydrogen in the hydrocarbon X, we will follow these steps:

### Step 1: Calculate the mass of carbon in the carbon dioxide produced.
1. **Volume of CO₂ collected**: 224 cm³
2. **At STP (Standard Temperature and Pressure)**, 1 mole of gas occupies 22.4 liters (or 22400 cm³). Therefore, the number of moles of CO₂ produced can be calculated as:
\[ \text{Moles of CO₂} = \frac{\text{Volume of CO₂}}{\text{Volume of 1 mole at STP}} = \frac{224 \, \text{cm}^3}{22400 \, \text{cm}^3} = 0.01 \, \text{moles} \]
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