Description
What is the exact way that you would solve this problem?
Explanation & Answer
Thank you for the opportunity to help you with your question!
mass= molar mass*moles
a)molar mass of Na=23 g/mol
mass of Na=23 g/mol *0.25 mols
mass of Na=5.75 g
b)molar mass of Ca=40 g/mol
molar mass of Cl=35.5 g/mol
calcium chloride=CaCl2
molar mass of CaCl2=40+35.5*2
=111 g/mol
mass of calcium chloride=111 g/mol *0.25 mols
mass of calcium chloride=27.75 g