Answer:
0.167M
Explanation:
First, let us calculate the number of mole of NaOH present in 5g. This is illustrated below:
Molar Mass of NaOH = 23 + 16 + 1 = 40g/mol
Mass of NaOH from the question = 5g
Number of mole = Mass /Molar Mass
Number of mole of NaOH = 5/40
Number of mole of NaOH = 0.125mol
Now, we can easily find the molarity of the solution as follows:
Mole = O.125mole
Volume = 750 mL = 750/1000 = 0.75L
Molarity =?
Molarity = mole /Volume
Molarity = O.125mole/0.75L
Molarity = 0.167M
Therefore, the molarity of the solution is 0.167M
