Question

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⭕Calculate the number of moles in hydrogen . Contained in 18 litres of the gas at27 degree Celsius and 70 cm pressure .⭕
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Answer 1

here is your answer

wkt, PV=nRT

P=pressure

V=volume

n=no:of moles

R=constant=0.08206

T=temperature

now, no:of moles = PV/RT

                             = 70*18/0.08206*27

                             =1260/2.21

                             = 570.135 mol

hope it helps...........please mark my answer as brainliest

Answer 2

hope it helps mark as brainaliest