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damaskus [11]
3 years ago
10

Which is a homogeneous mixture

Chemistry
2 answers:
Andrew [12]3 years ago
4 0

Answer:

Explanation:

A mixture is formed by the combination of two or more compounds.

A mixture can be classified into homogeneous or heterogeneous.

If after mixing two or more compounds we can identify the different compounds (phases), that is a heterogeneous mixture. This is easy to notice because the different phases has different characteristics like color, density, states (solid, liquid, gas), etc.

And, if after mixing two or more compounds we cannot see those differents compunds (phases) and we can see just one phase with the same characteristics of color, density, states, etc., that is a homogeneous mixture.

<u>Examples:</u>

- If you mix <u>water and alcohol</u>, we cannot see any difference, the whole mixture has the same color, density and it is liquid, so it is a <u>homogeneous mixture</u>.

- If you mix <u>water and cooking oil</u> in a glass, two different phases appear, with diffrent color and different density. Water phase stays on the bottom of the glass and the cooking oil phase stays on the top of the glass, so it is a <u>heterogeneous mixture</u>.

klemol [59]3 years ago
3 0
A homogeneous mixture is a mixture that is mixed so well together that you cannot see the different components that make up the mixture as the ingredients will not separate out, even over time.  
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Answer:

Options B and C

Explanation:

Let's take a look at the options and get our answer by way of elimination. The basic definition of a neutral solution is given as;

A neutral solution is a substance which is neither acid nor basic . it has a PH of 7. it will have equal amount of H+ AND OH- ions in it.

a) a neutral solution does not contain any H3O+ or OH- This is wrong because take water as an example, it is neutral but contains both ions.

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c) an acidic solution has [H3O⁺] > [OH⁻]. Acidic solutions are any solution that has a higher concentration of hydrogen ions than water. This option is correct.

d) a basic solution does not contain any H3O⁺. This option is wrong. Basic solutions are any solution that has a higher concentration of hydroxide ions than water. This means they contain H3O⁺ but  [OH⁻] is greater.

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To what volume would you need to dilute 200 mL of a 5.85M solution of Ca(OH)2 to make it a 1.95M solution?
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