Answered

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How do you find mass with volume and STP?

Sagot :

The mass with volume and STP can be calculated by the ideal gas formula.

The ideal gas equation is given as follows :

P V = n R T

where ,

P = pressure of the gas  in atm

V = volume of the gas in 22.4 L

R = gas constant = 0.082 atm L / mol K

T =  temperature in K

n = moles

The STP mean the temperature and the pressure at standard conditions that is temperature is 273 K and the pressure is 1 atm. so first we calculate the mole of the gas at STP , wet

n = P V / R T

n = ( 1 × 22.4 ) / ( 0.082 × 273 )

n = 1 mole

Thus, the moles at STP condition is 1 mole, now, we can calculate the mass by using formula given as :

mass = moles × molar mass.

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