Question

What weight of co2 will occupy the same volume as 40 gm of o2 at ntp?

Answer 1

HERE IS UR ANSWER..

Answer:

V=1.18L

Explanation:

In order to solve this problem we would use the Ideal Gas Law formula PV=nRT

P= Pressure in atm
V= Volume in L
n= moles
R= Ideal Gas Law Constant 
T= Temp in K

STP is Standard Temperature and Pressure which has values of 
1atm and 273K

2.34gCO2 must be converted to moles

2.34gCO2x1mol44gCO2=0.053mols

P=1atm
V=???L
n=0.053mols
R=0.0821atmLmolK 
T=273K

PV=nRT becomes

V=nRTP

V=0.053mols(0.0821atmLmolK)(273K)1atm

V=1.18L

HOPE IT HELPS YOU..