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mr_godi [17]
3 years ago
8

What does the R stand for in the ideal gas law (PV=nRT)?

Chemistry
1 answer:
Vesnalui [34]3 years ago
5 0
R in the equation is a gas constant. It is .0821 liters x ATM over Moles x degrees kelvin.

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Consider the following unbalanced reaction: P4(s) + F2(g) → PF3(g) What mass of fluorine gas is needed to produce 120. g of PF3
Studentka2010 [4]

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44.28 grams.

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Let us write the balanced reaction:

P_{4}+6F_{2}-->4PF_{3}

As per balanced equation, six moles of fluorine gas will give four moles of PF₃.

The mass of PF₃ required = 120 g

The molar mass of PF₃ = 88g/mol

Moles of PF₃ required =\frac{mass}{molarmass}=\frac{120}{88}=1.364mol

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Now this much mass will be required if the reaction is of 100% yield

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4 0
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