2g of gas A is introduced into a flask kept at 25℃. The pressure is found to be 1 atm .if 3g of another gas B is added to same flask the total pressure become 1.5 atm . the ratio of molecular weight is
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let molecular weight of A is a gram
let molecular weight of B is b gram
we need to find a:b.
we know that pressure is proportional to the number of moles present.
when pressure was 1 atm, no. of moles = 2/a moles
when pressure was 1.5 atm, no. of moles = (2/a + 3/b) moles
let molecular weight of B is b gram
we need to find a:b.
we know that pressure is proportional to the number of moles present.
when pressure was 1 atm, no. of moles = 2/a moles
when pressure was 1.5 atm, no. of moles = (2/a + 3/b) moles
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