Question

The volume occupied by 10 grams of hydrogen gas at STP is

• A. 112 Liters
• B. 11.2 Liters
• C. 224 Liters
• D. 22.4 Liters

Answer 1

The Correct Option is A

At STP, 1 mole of any ideal gas occupies 22.4 liters. 

- The molar mass of hydrogen gas (H₂) is 2 grams per mole. 

- The number of moles of hydrogen gas in 10 grams is: \[ \frac{10 \, \text{grams}}{2 \, \text{grams/mole}} = 5 \, \text{moles} \] 

Now, using the molar volume at STP: \[ \text{Volume} = 5 \, \text{moles} \times 22.4 \, \text{liters/mole} = 112 \, \text{liters} \] Thus, the volume occupied by 10 grams of hydrogen gas at STP is 112 Liters. 

Answer 2

Given: Mass of hydrogen gas = 10 g 
At STP (Standard Temperature and Pressure): 1 mole of any ideal gas occupies 22.4 liters.

Molar mass of hydrogen (H₂) = 2 g/mol
So, number of moles in 10 g of H₂: \[ \text{Moles} = \frac{10}{2} = 5 \] Volume occupied = 5 moles × 22.4 L/mole = 112 liters

Correct answer: 112 Liters