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aev [14]
2 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]2 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]2 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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