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MariettaO [177]

3 years ago

13

A solution with a ph of 2.0 has a hydrogen ion concentration ten times greater than a solution with a ph

1 answer:

weqwewe [10]3 years ago

3 0

The answer is c. 0.20 .

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How do scientists use radioactive decay to date fossils

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The clearer answer is they measure the remaining carbon, and the less that there is the older the fossil is.

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3 years ago

State two safety precautions to be taken when performing diluting concentrated sulphuric acid with water

motikmotik

<em>Explanation:</em>

<em>safety precautions to be taken when performing diluting concentrated sulphuric acid with water</em>

Using gloves while diluting to avoid injury from hot sulfuric acid to hands.
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A company sells a natural medicine with plant ingredients to help treat dementia, a disease in which people have a hard time rem

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3 years ago

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A sample of gas occupies a volume of 50.0 milliliters in a cylinder with a movable piston. The pressure of the sample is 0.90 at

alina1380 [7]

P₁ = 0.90 atm

V₁ = 50.0 mL

T₁ = 298 K

P₂ = 1 atm

T₂ = 273 K

V₂ = P₁ x V₁ x T₂ / T₁ x P₂

V₂ = 0.90 x 50.0 x 273 / 298 x 1

V₂ = 12285 / 298

V₂ = 41 mL

Answer (1)

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7 0

3 years ago

Determine the molarity of a solution made by dissolving 13.8 g of sodium chloride in enough water to make 750.0 mL of solution.

Iteru [2.4K]

Hope it helped you.

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3 years ago