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please help!

you have a 5 liter container with 1.30 x 10^24 molecules of ammonia gas (NH3). how many molecules of hydrogen gas are in an identical container at the same temperature and pressure?

A. 2.00 x 10^23 molecules
B. 1.30 x 10^24 molecules
C. 6.02 x 10^24 molecules
D. 6.02 x 10^23 molecules

Respuesta :

Neetoo

Answer:

B) 1.30 ×10²⁴ molecules

Explanation:

According to Avogadro law,

Equal volume of all gases at same temperature and pressure have equal number of molecules.

For equal volume the amount of gas (moles) would be same.

V ∝ n

V = Kn

k = proportionality constant

V₁/n₁ = V₂/n₂

V₁ = initial volume

n₁ = initial moles

V₂ = final volume

n₂ = final moles

So if ammonia has 1.30 ×10²⁴ molecules, hydrogen will have same molecules at same conditions.

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