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Alla [95]
4 years ago
6

Select the true statement. ANSWER Unselected Anions are smaller than their neutral parent atoms because there are fewer electron

s “competing” for the attractive force of the protons in the nucleus. Unselected Anions are smaller than their neutral parent atoms because there are more electrons “competing” for the attractive force of the protons in the nucleus. Unselected Cations are smaller than their neutral parent atoms because there are fewer electrons “competing” for the attractive force of the protons in the nucleus. Unselected Cations are smaller than their neutral parent atoms because there are more electrons “competing” for the attractive force of the protons in the nucleus. Unselected
Chemistry
1 answer:
Olenka [21]4 years ago
3 0

Answer:

Explanation:

.

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Solid Al(NO3)3 is added to distilled water to produce a solution in which the concentration on nitrate, [NO3^-], is 0.10 M. What
VikaD [51]

Answer:

The concentration of nitrate ion NO_{3}^{-}  is 0.033 M.

Explanation:

Al(NO_{3})_{3} \rightarrow Al^{3+} + NO_{3}^{-}

1 mole of [Al^{3+}]  = 3 mole NO_{3}^{-}

Let  [NO_{3}^{-}]  = 3y

then according to above reaction,

[Al^{3+}] = y

[NO_{3}^{-}] = 0.10 M (given)

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3y = 0.10 M

y = \frac{0.1}{3}

y = 0.033 M

So ,concentration of [Al^{3+}] = y = 0.033 M

5 0
3 years ago
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6 0
4 years ago
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Answer:

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3 years ago
C. Why do people use Earth's motions to<br> determine units of time?
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The people use Earth's motion to determine units of time because of its uniform motion which is consistent.

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