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satela [25.4K]
3 years ago
9

How many moles of ideal iodine gas has a volume of 1250 mL at 10 degrees C and 768 mm pressure?

Chemistry
1 answer:
SSSSS [86.1K]3 years ago
5 0

Answer:

n=0.0564mol

Explanation:

Hello,

In this case, since iodine is ideal we can use the ideal gas equation to compute the moles at the given conditions, considering the following units:

V=1250mL*\frac{1L}{1000mL} =1.25L\\P=768mmHg*\frac{1atm}{760mmHg}=1.01atm\\ T=10+273.15=283.15K

PV=nRT

n=\frac{PV}{RT} =\frac{1.01atm*1.25L}{0.082\frac{atm*L}{mol*K}*273.15K}  \\\\n=0.0564mol

Best regards.

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