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Solnce55 [7]
3 years ago
13

What is the pH of a 0.00200 M HCl solution?

Chemistry
1 answer:
pochemuha3 years ago
4 0

Answer:

pH value of HCL = 2.69897

Explanation:

Given:

Concentration of HCL = 0.002 M

Find:

pH value of HCL

Computation:

pH value of HCL = - log(Concentration of HCL)

pH value of HCL = - log(0.002)

pH value of HCL = 2.69897

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The number of atoms in a mole of substance is given by Avagadro's Number which is 6.02 x 10^23
Since there are 7.08 moles, there are:
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= 4.26 * 10^24 atoms
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