Question

at stp, how many moles of h2 gas are contained within a 112 l container?

Explanation:

Step1: Recall molar volume at STP

At STP, 1 mole of gas = 22.4 L.

Step2: Calculate moles of H₂

Moles = Volume / Molar volume = $\frac{112\ \text{L}}{22.4\ \text{L/mol}}$

Answer:

5