Question

a 24.37mol of gas occupied 5.32ml vessel. what mole of the gas should be removed to get a volume of 2.56ml?

Answer 1

Mole of the gas should be removed to get a volume of 2.56ml is 10.26 mol.

Equation :

Given data,

Volume₁ = 5.32ml

number of moles at 5.32ml n₁ = 24.37mol

Molarity = ?

Volume₂ = 2.56ml

number of moles = ?

First to find molarity of gas using formula,

M = nV

where,

M is molarity

n is numbers of mole

V is volume

So, putting the values of volume₁,

M = 24.37mol x 5.32ml

M = 129.65 mol/ml

So again to get moles of second volume in same formula we have,

M = nV

So,

n = M / V

n₂ = 129.65 / 2.56ml

n = 50.64mol

So,

n₂ - n₁ = 50.64mol - 24.37mol

n = 26.27

So,

mole of the gas removed = 26.27 / 2.56

mole of the gas removed = 10.26mol

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