Question

20 litres of H2 gas at STP weight about

Answer 1

this is the answer i guess i hope it helps

Answer 2

Answer:

The correct answer of this question is 1.78g

Explanation:

Given - 20 liters of H2 gas at STP weight.

To Find - Write about 20 liters of H2 gas at STP weight.

20 liters of H2 gas,

Number of moles n = $\frac{20}{22.4}$

so, n = mass / molar mass

$\frac{20}{22.4}$ × $2$ = 1.78g

Hydrogen, abbreviated as H, is a chemical element with the atomic number 1 and the symbol H. Hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable diatomic gas with the molecular formula H2 at standard temperature and pressure.

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