Question

How many moles are there in 34.8 grams of Calcium?

Answer 1

Number of moles = 0.87 mol

Step-by-step explanation:

Given data:

Mass of calcium = 34.8 g

Number of moles = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of calcium = 40 g/mol

By putting values,

Number of moles = 34.8 g/ 40 g/mol

Number of moles = 0.87 mol