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Basile [38]
3 years ago
14

Pepper is trying to determine the density of her gold ring. The ring’s mass is 100 grams and the volume displaced by the ring is

5 milliliters.
Chemistry
1 answer:
defon3 years ago
5 0

Answer:

50

Explanation:

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Is a solution in which (OH) = 1.0 10-1M acidic, basic, or neutral?
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Answer:

The pH is 13,00 and the solution is basic.

Explanation:

<em> </em>The pH indicates the acidity or basicity of a substance. PH values between 0 and less than 7 indicate acidic solutions, 7 neutral and higher than 7 to 14 basic. It is calculated as

pH = -log (H 30+)

Both pH and pOH have a relationship to belonging to the same aqueous solution: the expression of the Kwater (ionic product of the water Kw) is used:

[H3O ^ +]x [OH ^ -] = 1x 10 ^ -14

[H3O ^ +]x [1.0 10-1]=1x 10 ^ -14

[H3O ^ +]= 1x 10 ^ -14/1.0 10-1M= <em>1.0 10-13 M</em>

pH = -log (H 30+)= -log (1.0 10-13 M)= <em>13, 00</em>

As the pH value is higher than 7, it corresponds to a basic substance.

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3 years ago
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D.

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. Identify at least three reasons the Articles of Confederations failed as a governing document. In your opinion, evaluate which defect was most debilitating, using evidence and your knowledge of American government to justify your position. [5]

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Which compound is more soluble in water, lithium fluoride or boron nitride?
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