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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 2667cm $^3$ . Calculate the volume

A.

2000.25 cm $^3$

B.

200.025 cm $^3$

C.

4003.27 cm $^3$

D.

2010.25 cm $^3$

View answer & explanation

Correct answer is A

m = 0.354g, T $_1$ = 273°C = 273 + 273 = 576K
P $_1$ = 114cmHg, V $_1$ = 2667cm $^3$ at STP
T $^2$ = 273K, P $_2$ = 76cmHg, V $_2$ = ?

P

$^1$ V

$^1$

T

$^1$

=

P

$^2$ V

$^2$

T

$^1$

V

$_2$

=

114 × 2667 × 273

76 × 576

=

2000.25cm

$^3$

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