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Rudik [331]
3 years ago
12

1234567890123345678901234567890

Chemistry
1 answer:
vodomira [7]3 years ago
3 0

Answer:

1234567890123345678901234567890

Explanation:

trick question....

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Calculate the concentration of hydrogen ion of a sample of vinegar with pH 6.82
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The concentration of hydrogen ion of a sample of vinegar : 1.514 x 10⁻⁷

<h3>Further explanation </h3>

pH is the degree of acidity of a solution that depends on the concentration of H⁺ ions. The greater the value the more acidic the solution and the smaller the pH.

So that the two quantities between pH and [H⁺] are inversely proportional because they are associated with negative values.

A solution whose value is different by n has a difference in the concentration of H⁺ ion of 10ⁿ.

pH = - log [H⁺]

pH of a sample vinegar = 6.82

The concentration of hydrogen ion :

\tt 6.82=-log[H^+]\\\\(H^+]=10^{-6.82}=1.514\times 10^{-7}

5 0
3 years ago
Which property describes a mixture? Check all that apply.
jeka94

Answers are:

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2) It can appear different from different sources.

3) It cannot be described by a chemical symbol or formula.

Mixture is composed of at least two substances.

Pure substance is made of only one type of atom (element) or only one type of molecule (compound), mixtures and solutions are made from two or more types of pure substances.

Mixtures can be separeted y physical means, while compounds cannot.

There is a definite recipe to make each mixture, because composition of mixture can vary.

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4 years ago
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Compare and contrast physical layers and compositional layers.
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Compositional Layers

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Based on this:
<span>High zinc intakes can inhibit the absorption of copper is a true statement.</span>
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