Answer:
Moles of NaOH = 15.0 g NaOH ×
1
mol NaOH
40.00
g NaOH
= 0.375 mol NaOH
Calculate the number of litres of solution present.
Volume = 225 mL ×
1
L
1000
mL
= 0.225 L soln
Divide the number of moles of solute by the number of litres of solution.
Molarity =
0.375
mol
0.225
L
= 1.67 mol/L
Explanation:
