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marshall27 [118]
2 years ago
7

The H30+ concentration of a solution is equal to 0.8 M. What is the pH of the solution?

Chemistry
1 answer:
timurjin [86]2 years ago
5 0

Answer:

option A= pH = 0.1

Explanation:

Given data:

Concentration of H₃O⁺ = 0.8 M

pH = ?

Solution:

pH = -log [H₃O⁺]         H₃O⁺ = H⁺

pH = -log [0.8]

pH = - (-0.097)

pH = + 0.1

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Determine the volume of atmospheric air (at 14 lb/in.^2) needed to fill your bike tires (assuming it holds 500 mL of air) to the
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Boyle Law says “the pressure of fixed amount of ideal gas which is at constant temperature is inversely proportional to its volume".<span>

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3 years ago
A chemist dissolves 484 .mg of pure perchloric acid in enough water to make up 240.mL of solution. Calculate the pH of the solut
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Answer:

1.70

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The molar mass of perchloric acid is 100.46 g/mol. The moles corresponding to 484 mg (0.484 g) are:

0.484 g × (1 mol/100.46 g) = 4.82 × 10⁻³ mol

4.82 × 10⁻³ moles are dissolved in 240 mL (0.240 L) of solution. The molar concentration of perchloric acid is:

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pH = -log [H⁺] = -log 0.0201 = 1.70

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2 years ago
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