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vampirchik [111]
2 years ago
8

I dont understand and this question hard well for me

Chemistry
2 answers:
Darya [45]2 years ago
5 0

Answer:

A

Explanation:

medal is a conductor so the heat will travl

Murrr4er [49]2 years ago
4 0
A
"The heat from the hot chocolate will travel to the spoon"
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Determina el pH del café cuya concentración de H+ es de 0.00001M
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Answer:

5

Explanation:

Given parameters:

Hydrogen ion concentration  =  0.00001M

Unknown:

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Solution:

The pH is used to estimate the degree of acidity or alkalinity of a solution. To solve for pH of any solution, we use the expression below;

          pH  = -log [H⁺]

[H⁺] is the hydrogen ion concentration

        pH  = -log (1 x 10⁻⁵)

      pH = -(-5) = 5

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