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olga55 [171]
3 years ago
14

How many moles of NaOH are required to prepare 2.90 L of 1.8 M NaOH?

Chemistry
2 answers:
vfiekz [6]3 years ago
5 0
Here is a couple of useful formula to use when you get problems like this.

Molarity= \frac{moles}{Liters}        ----->      moles=  (Molarity) x (Liters)

since they are asking for moles, we are using the one on the right. 

Molarity= 1.8 M
Liters= 2.90 L

moles= (1.8 M) x (2.90 L)= 5.2 moles of NaOH


marusya05 [52]3 years ago
3 0
V=2.90 L
c=1.8 mol/L

n(NaOH)=vc

n(NaOH)=2.90L*1.8mol/L=5.22 mol
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