What is the molarity of naoh solution of 112 g of naoh dissolved in 0.750 l of solvent

0.373M

Explanation:

Given parameters:

Mass of NaOH given = 112g

Volume of solvent = 0.75L

Solution:

1To solve this problem, we first find the number of moles of the solute using the expression below:

Number of moles = mass/molar mass

Solving:

Molar mass of NaOH

Atomic mass of Na = 23g

Atomic mass of O = 16g

Atomic mass of H = 1g

Molar mass = 23 + 16 + 1 = 40g/mol

Number of moles = 112/40 = 2.8mol

2 From the number of moles of solute, we then evaluate the molarity of the solution that would be produced using the expression below:

Molarity = number of moles/Volume

Molarity = 2.8/0.75 = 0.373M

the answer is b. dilution