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FinnZ [79.3K]
3 years ago
12

If 50.75 g of a gas occupies 10.0 l at stp, 129.3 g of the gas will occupy __________ l at stp.

Chemistry
2 answers:
Rom4ik [11]3 years ago
6 0
Use PV = mRT/M and solve for R. R = PVM/RT. Since you have the same gas under two sets of conditions then you can write 
<span>P1V1M1/m1T1 = P2V2M2/m2T2 </span>
<span>Since P, M and T are constant, the equation becomes </span>
<span>V1/m1 = V2/m2 </span>
<span>Now plug in your values and solve for V2</span>
Semenov [28]3 years ago
4 0

Answer: 25.5 L

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 Liters at STP and contains avogadro's number 6.023\times 10^{23} of particles.

We are given:

50.75 g of a gas occupies = 10.0 L at STP

Thus 129.3 g  of a gas occupies =\frac{10}{50.75}\times 129.3=25.5L at STP

Thus 129.3 g of gas will occupy 25.5 L at STP.

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