What is the molarity of a solution that contains 40. grams of NaOH in 0.50 liter of solution

The molarity of the solution is: 2 M

Explanation:

We calculate the weight of 1 mol of NaOH:

Weight 1 mol NaOH= Weight Na + Weight 0 + Weight H= 23 g+16g+ 1 g= 40g/mol

The molarity is the quantity of moles in 1000ml (1 liter) of solution:

0,5liter40 grams NaOH

1 literx=(1 liter x 40 grams NOH)/0,5 liter = 80 grams NaOH

40 grams1 mol NaOH

80 gramsX=(80 grams x 1 mol NaOH)/40 grams= 2 mol NaOH--> 2M

i think its 100

i hope this !

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bioteacher101