# Chemistry

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a solution is prepared by dissolving 3.7500grams iron(III) oxalate in enough water to make 125.00mL of solution.

1. what is the molar concentration of iron(III) oxalate in this solution?

2. what is the molar concentration of oxalate ions in this solution?

• Chemistry -

a. figure the mole mass of IronIII oxalate.

M=mass/molmass*1/.125

b. Look at the formual for iron III oxalate. Are there three oxalate ions for each molecule of IronIII oxalate? So multiply a. above by 3.

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