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Mazyrski [523]
3 years ago
14

What is the pH of an HCL solution if [H+]=0.03​

Chemistry
2 answers:
I am Lyosha [343]3 years ago
4 0

Answer:

pH = 1.5

Explanation:

The pH is always equal to -log[H+].

Simply plug it into this formula to find the pH. In order to find the concentration from the pH, you can do:

10^{-pH} = [H+]

vesna_86 [32]3 years ago
3 0

The answer for the following problem is mentioned below.

  • <u><em>Therefore the pH of an HCl solution is 1.52.</em></u>

Explanation:

<u>pH:</u>

It is a measure of the hydrogen ion concentration,a measure of acidity or the alkalinity of a solution.    

                                           (or)

The negative logarithmic function of the hydrogen ion concentration is called the pH.

The formula for the pH is as follows:

<u>pH = -log [</u>H^{+}<u>]</u>

pH less than 7 indicates that solution is acidic

pH greater than 7 indicates that the solution is basic

Given:

hydrogen ion concentration [H^{+}] = 0.03 = 3 ×10^{-2}

To calculate:

pH of a solution

We know;

<u>pH = -log [</u>H^{+}<u>]</u>

<u>where,</u>

<u></u>H^{+} represents the hydrogen ion concentration

pH = -log [3×10^-2]

pH = 1.52

Therefore the pH of a solution is 1.52

<u><em>Therefore the pH of an HCl solution is 1.52.</em></u>

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IrinaVladis [17]

94.6 g.  You must use 94.6 g of 92.5 % H_2SO_4 to make 250 g of 35.0 % H_2SO_4.

We can use a version of the <em>dilution formula</em>

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where

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<em>C</em> represents the percent concentrations

We can rearrange the formula to get

<em>m</em>_2= <em>m</em>_1 × (<em>C</em>_1/<em>C</em>_2)

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∴ <em>m</em>_2 = 250 g × (35.0 %/92.5 %) = 94.6 g

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B

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I hope this helps

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