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aev [14]
3 years ago
6

How many moles do you need to prepare 1.675 L of a 8.50 M NaOH solution? Round your answer to 2 decimal places.

Chemistry
2 answers:
vampirchik [111]3 years ago
7 0

Answer:

0.20 mol's

Explanation:

1.675 L = 1.675 dm^3

moles = V/(conc):

moles = 1.675/(8.5)

moles = 0.1970... --> 0.20

Evgen [1.6K]3 years ago
6 0

Answer:

14.24mol

Explanation:

Molarity, M = number of moles of solute, n divided by volume, v of solution in Litres (dm³)

number of moles of NaOH= ?

Molarity of NaOH solution = 8.50 M

Volume of NaOH solution = 1.675 L

From, M = n/v, we Make n subject of formula

n = Mv

n=8.50×1.675

n=14.24 mol

Therefore, number of moles in 8.50 M NaOH solution is 14.24 mol

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Answer:

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No. Q < Kc, so reaction will shift to the right.

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3 years ago
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Explanation:

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an ionic compound contains ions

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4 years ago
explain why benzoic acid is insolube in water at room temperature but is soluble in 2.5M NaOH solution
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Answer:

It is known generally that polar compounds are soluble in polar solvents. Based on the structure of benzoic acid, it comprises the non-polar C6H6 group and polar COOH group. Based on the structure, in benzoic acid, the nonpolar hydrocarbon outweighs and influences the polar part as nonpolar, due to which benzoic acid is not soluble in water.

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