The volume of 0.354g of helium at 273°C and 114cmhg o...
The volume of 0.354g of helium at 273°C and 114cmhg of mercury pressure is 2667cm3. Calculate the volume
2000.25 cm3
200.025 cm3
4003.27 cm3
2010.25 cm3
Correct answer is A
m = 0.354g, T1 = 273°C = 273 + 273 = 576K
P1 = 114cmHg, V1 = 2667cm3 at STP
T2 = 273K, P2 = 76cmHg, V2 = ?
P1V1
T1 |
= | P2V2
T1 |
V2 | = | 114 × 2667 × 273
76 × 576 |
= | 2000.25cm3 |
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