At 650 K, the reaction MgCO3(s)MgO(s) CO2(g) has Kp 0 026 A10 0 L con...

At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A 10.0-L container at 650 K has 1.0...

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At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A10.0-L container at 650 K has 1.0 g of MgO(s) and CO2 at P=0.260atm. The container is then compressed to a volume of 0.100 L. Findthe Mass of MgCO₃ that forms.

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3.6 Ratings (440 Votes)

MgCO3(s)Â Â <---------------------> MgO(s)+CO2(g)

Kp = P_CO2

0.260 = P_CO2

moles of MgO = 1 / 40 = 0.025

from

P V = n R T

0.260 x 10 = n x 0.0821 x 650

n = 0.0487

moles of CO2 = 0.0487

MgCO3(s)Â Â <---------------------> MgO(s)Â Â +Â Â CO2(g)

Â Â Â Â Â Â Â 1 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0.025Â Â Â Â Â Â Â Â Â 0.0487

here limiting reagent is MgO. so MgCO3 formed based on that.

1 mol of MgO -----------------> 1 mol of MgCO3

0.025 mol of MgO --------------->Â Â ?? MgCO3

moles of MgCO3 = 0.025 x 1 / 1 = 0.025

mass of MgCO3 = moles x molar mass

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â = 0.025 x 84

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â = 2.1 g

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At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A 10.0-L container at 650 K has 1.0...

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70.2K

Verified Solution

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Chemistry

At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A10.0-L container at 650 K has 1.0 g of MgO(s) and CO2 at P=0.260atm. The container is then compressed to a volume of 0.100 L. Findthe Mass of MgCO₃ that forms.

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At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A 10.0-L container at 650 K has 1.0...

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70.2K

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Chemistry

At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A10.0-L container at 650 K has 1.0 g of MgO(s) and CO2 at P=0.260atm. The container is then compressed to a volume of 0.100 L. Findthe Mass of MgCO3 that forms.

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At 650 K, the reaction MgCO3(s)â‡ŒMgO(s)+CO2(g) has Kp=0.026. A10.0-L container at 650 K has 1.0 g of MgO(s) and CO2 at P=0.260atm. The container is then compressed to a volume of 0.100 L. Findthe Mass of MgCO₃ that forms.