(08.02 MC) What is the molarity of a solution prepared by dissolving 20.0 grams of NaOH in sufficient water to make a solution with a
total volume of 2.40 liters? (5 points)
Select one:
a.0.120 M NaOH
6.0.208 M NaOH
c.0.416 M NaOH
O
d.0.833

d. 0.208 M NaOH

Explanation:

M[NaOH] = 23+16+1= 40g/mol

2.40L = 2.4dm3

M=m/Mv

M=20.0g/40g/mol×2.4dm3

M=20.0g ÷ 96

M= 0.208 M NaOH

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

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