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Alla [95]
3 years ago
8

An egg is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the egg

?
Initial volume: 50.0 mL

Final volume: 58.5 mL

8.5 cm
8.5 dm
8.5 mL
8.5 cg
Chemistry
1 answer:
Natalka [10]3 years ago
7 0

If egg is dipped in cylinder then the volume of egg will be difference in the volumes before dipping egg (initial volume) and volume after dipping egg (final volume)

Volume of egg= 58.5-50.0 = 8.5 mL

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Answer:

Explanation:

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Calculate the concentration of clo2− at equilibrium if the initial concentration of hclo2 is 2. 25×10^−2 m.
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The concentration of ClO₂⁻ at equilibrium if the initial concentration of  HClO₂ is 0.0654.

<h3>What is concentration?</h3>

The concentration of any substance is the quantity of that substance in per square of the space or container.

The reaction is

HClO₂ + H₂O <=> H₃O⁺ + ClO₂⁻

The pH is 0.454 M

Ka = [H₃O⁺][ClO₂⁻ ] / [HClO₂]

2. 25 × 10⁻² m = [x][x] / 0.454-x]

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solve the quadratic equation

x = 0.0654 = [H3O+] = [ClO2-]

pH = -log (H3O+)

pH = -log(0.0654)

pH = 1.2

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[HClO2] = 0.454 -x = 0.454 -0.0654 = 0.3886 M

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Thus, the equilibrium concentrations  is 0.0654.

To learn more about concentration, refer to the link:

brainly.com/question/16645766

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