Question

How many moles are in 8.45g of NaOH

Answer 1

Number of moles = 0.21 mol

Step-by-step explanation:

Given data:

Mass of NaOH = 8.45 g

Number of moles = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of NaOH = 40 g/mol

by putting values in formula

Number of moles = 8.45 g / 40 g/mol

Number of moles = 0.21 mol