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Nikitich [7]
3 years ago
15

354.5 g of chlorine gas (MW = 70.9 g/mol) is held in a vessel with a fixed volume of 70. L.

Chemistry
1 answer:
scZoUnD [109]3 years ago
5 0

Answer:

1.77 atm

Explanation:

We have to check the <u>values that gives the problem</u>:

V= 70 L

mass =354.5 g

Molas weight= 70.9 g/mol

T=30 ºC

P= ?

We can find the <u>moles of chlorine</u> if we use the<u> molar weight</u>:

354.5g~\frac{1~mol}{70.9~g}

5~mol

Now, we have the moles, volume, temperature therefore we can use the <u>ideal gas equation</u>:

P*V=n*R*T

We know the <u>R value</u>:

0.082\frac{atm*L}{mol*K}

We have <u>“K” units for the temperature</u>, so we need to do the <u>conversion</u>:

30+273.15=303.15~K

With all the data we can plug the values into the equation:

P*70L=5mol*303.15K*0.082\frac{atm*L}{mol*K}

P=\frac{5mol*303.15K*0.082\frac{atm*L}{mol*K}}{70L}

P=1.77~atm

I hope it helps!

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