Your experiment requires 150 mL of 7.7 M NaOH. How many grams of NaOH will you need?

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14-05-2017
Chemistry

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Your experiment requires 150 mL of 7.7 M NaOH. How many grams of NaOH will you need?

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utsab1234 utsab1234 · Answer 1 · 2017-05-16T02:57:39+02:00

utsab1234 utsab1234

16-05-2017

You have molarity and you have volume. Use the formula :
Molarity(M)= Moles(N)/Liter(L) to get the solution.
150 ml= .150 L
7.7 = N/.150
N=.1.155 moles of NaOH.
And since you know the moles, use the molar mass to figure out the grams.
(40g/mol NaOH) x (1.155mol) =
46.2 g of NaOH.

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