Chemistry, asked by Anonymous, 9 months ago

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What volume of CO2 gas at STP must be passed through 250ml 0.8M Na2CO3 solution to convert them into NaHCO3 solution?

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Answers

Answered by Anonymous
3

Answer:

\large\boxed{\sf{4.48\;\;L}}

Explanation:

First of all write the Reaction involved .

{Na}_{2}CO_{3} + CO_{2} + H_{2}O \rightarrow 2NaHCO_{3}

Given that for {Na}_{2}CO_{3}

Volume = 250 ml

Molarity = 0.8 M

.°. Milimoles = 250 × 0.8 = 200

Now, in the reaction,

Let the Milimoles of CO_{2} required is x.

Therefore, We get,

 =  > 200 \times 3 + 2x + x = 6x \\  \\  =  > 6x - 3x = 600 \\  \\  =  > 3x = 600 \\  \\  =  > x = 200

Therefore, 200 Milimoles are required.

Now, at STP conditon,

1 mole = 22.4 L

 =  >  {10}^{ - 3} \:  moles = 22.4 \times  {10}^{ - 3}  \: litres \\  \\  =  > 1 \: milimole = 22 .4 \:  \: ml \\  \\  =  > 200 \: milimoles \:  = 22.4 \times 200 \: ml  = 4.48 \: litres

Hence, 4.48 L is the reuired volume.

Answered by Yash1223
5

Explanation:4.48 L of CO2 gas may be required.

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