Give the number of chloride ions in 11.1g of calcium chloride.(Mr=molar mass)
n=m/Mr=11.1/110.98=0.100moles of CaCl2
Please help!
1 answer
There are two Cl- ions per mole of CaCl2 (once it dissolves). Multiply Avogadro's number by 0.2 for the answer.