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navik [9.2K]
3 years ago
12

A shorter electromagnetic wave is _____.

Chemistry
1 answer:
EleoNora [17]3 years ago
7 0
The correct answer is hotter
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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
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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

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[Al^{3+}] = ?

3y = 0.10 M

y = \frac{0.1}{3}

y = 0.033 M

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

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