calculate the number of moles of hydrigen contained in 18 litres of gas at 27 ℃ and 70 nm pressure . Given that R= 0.0821 litre atm k^-1 mol ^-1 further. If the mass of hydrogen taken as above is found to be 1.350 g. Calculate molecular mass of hydrogen.
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π=CRT
pressure = 70nm = 7pa
7 = n/18 ×0.0821 ×300
n= 0.85
n can be wrtten as w/m
w is 1.350
1.350/m =0.85
m = 1.350/0.85
m= 1.588
pressure = 70nm = 7pa
7 = n/18 ×0.0821 ×300
n= 0.85
n can be wrtten as w/m
w is 1.350
1.350/m =0.85
m = 1.350/0.85
m= 1.588
Divyasamota:
thanx....so much..
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