a solid sample containing some Fe+2 ion weighs 1.062g. It

a solid sample containing some Fe+2 ion weighs 1.062g. It requires 24.12mL 0.01562 M KMnO4 to titrate the Fe+2 in the dissolved sample to a pink end point.a. How many moles MnO4- ion are required?b. How many moles Fe+2 are there in the sample?c. How many grams of iron are there in the sample?d. What is the percentage of Fe in the sample?