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!

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asked by Anonymous
  1. There are two Cl- ions per mole of CaCl2 (once it dissolves). Multiply Avogadro's number by 0.2 for the answer.

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    posted by drwls

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