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Calculate the mass in grams of 0.18 mole...

Calculate the mass in grams of 0.18 mole of `H_2O`.

A

3.24g

B

2.24g

C

1.5g

D

18g

Text Solution

Verified by Experts

The correct Answer is:
ABC
`V_f=5xxRxx546=224 L`
`W=-P_(ext)(DeltaV)=-1` atm (224 L) =-224 L atm
`:.` work done by system =224 L atm
Enthalpy change `(DeltaH)=q=273xx5=1365 L atm`
`DeltaS=(DeltaH_(vap))/T=1365/546=2.5` L atm /K
`DeltaU=q+W=1365-224=1141 L atm`
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