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3 years ago

How much CO2 gas is produced by four antacid tablets?

Chemistry

1 answer:

AURORKA [14]3 years ago

4 0

You can refer to the attached graph which shows the amount of carbon produced from the antacid tablets.

The x-axis represents the number of tablets while the y-axis represents the amount of carbon dioxide produced.

Following the graph, we can find that:
For four tablets of antacid, nearly 60 ml of carbon dioxide is produced.

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3 years ago

Read 2 more answers

The theoretical yield of Cl2 from certain starting amounts of MnO2 and HCl was calculated as 60.25 g and 65.02 g, respectively.

user100 [1]

Answer:

c 43.38 g

Explanation:

The reaction between MnO2 and HCl can be represented by the following balanced equation:

MnO2 + HCl ---> Cl2 + MnCl2 + H2O

From the balanced equation, the theoretically required molar ratio of MnO2 to HCl is 1:1, therefore the yields would have been expected to be equal.

For the fact that HCl gives a higher yield (65.02g) than MnO2 (60.25g) according to the problem statement, HCl should be in excess, while the limiting reagent should be MnO2 .

Thus, the theoretical yield of Cl2 will be 60.25 g.

By definition, the percentage yield is given by

% Yield = (Actual Yield) / (Theoretical Yield),

This can be simplified to

Actual Yield = % Yield * Theoretical Yield

Plugging in the given values we have

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