1.

What mass of carbon dioxide will contain 3.011 *10 to the power 23 molecules

Answer»

No.of mole=no.of the molecules/Avogadro no.

n=no.of mole
n=3.011*10^23/6.022*10^2
n=0.5 mole

no.of mole.=MASS/MOLECULAR mass
molecular mass of CO2=C-12g;O2-16*2-32=12+32g=44g
m(mass)=0.5mole*44g=22g



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