1) If 2.566 g of Iron (II) chloride was dissolved in water and the final volume

Question

1) If 2.566 g of Iron (II) chloride was dissolved in water and the final volume of solution was 250.00 mL, what is the molarity of total ions?

2) If 2.317 g of Iron (III) bromide is transferred to a volumetric flask, what is the molarity (M), if the volume of solution is 250 ml?

3)Using the mass percent of iron in iron (III) chloride, calculate the number of moles of iron in 128.546g of FeCl3. ( The Molar mass of iron is 55.85 grams.)

4) If 25.00 mL of 0.45381 M solution is diluted to a new volume of 100.00 mL, what is the new concentration of the solution?

5) Calculate the mole fraction of Fe when iron(III) chloride hexahydrate is dissolved into 128.384 deionized water. ( The molar mass for water is 18.00 grams and for iron is 55.85 grams.)

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Explanation / Answer

1) If 2.566 g of Iron (II) chloride was dissolved in water and the final volume

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