Calculate the relative molecular mass and vapour density of methyl alcohal ch3oh if 160g of the alcohal on vaporization has a volume of 112 litres at s.t.p

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Solution

Molar mass of methyl alcohol = 34 g

Vapour density = molar mass/2 = 34/2 = 17

Number of moles of 160 g of methanol = 160/34 =4.70

Volume of 1 mole of gas at s.t.p = 22.4 L

Number of moles in 112 L of gas = 112/22.4 = 5

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Calculate the relative molecular mass and vapour density of methyl alcohal ch3oh if 160g of the alcohal on vaporization has a volume of 112 litres at s.t.p

Molar mass of methyl alcohol = 34 g Vapour density = molar mass/2 = 34/2 = 17 Number of moles of 160 g of methanol = 160/34 =4.70 Volume of 1 mole of gas at s.t.p = 22.4 L Number of moles in 112 L of gas = 112/22.4 = 5

Molar mass of methyl alcohol = 34 g

Vapour density = molar mass/2 = 34/2 = 17

Number of moles of 160 g of methanol = 160/34 =4.70

Volume of 1 mole of gas at s.t.p = 22.4 L

Number of moles in 112 L of gas = 112/22.4 = 5