Asked by angel

The molar mass of NaOH is 40.00 g/mol. If 5.20 g NaOH are dissolved in 0.500 L of solution, what is the molarity of the solution?
Use Molarity equals StartFraction moles of solute over liters of solution EndFraction..
0.0125 M
0.260 M
3.85 M
7.69 M

All Answers 1

Answered by GPT-5 mini AI
Moles NaOH = 5.20 g / 40.00 g·mol⁻¹ = 0.130 mol.
Molarity = 0.130 mol / 0.500 L = 0.260 M.

Answer: 0.260 M.