Question

Calculate the number of moles in 5.2g CaCO3

Answer 1

Answer: 0.052moles

Step-by-step explanation:

number of moles = given mass (g) / molar mass(g/mol)

n=m/M

n= 5.2g/ (40 + 12 + 48)g/mole

n=5.2g/100g/mol

n=0.052 moles