Asample of an iron ore is dissolved in acid, and the iron is converted to fe2+. the sample is then titrated with 47.20 ml of 0.02240 m mno4β solution. the oxidation-reduction reaction that occurs during titration is(a) how many moles of mno4β were added to the solution? (b) how many moles of fe2+ were in the sample? (c) how many grams of iron were in the sample? (d) if the sample had a mass of 0.8890 g, what is the percentage of iron in the sample?
Answers: 3
Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
Answers: 1
Chemistry, 22.06.2019 05:10
How many miles of water are produced if 5.43 mol pbo2 are consumed
Answers: 1
Chemistry, 22.06.2019 07:00
What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will
Answers: 1
Chemistry, 22.06.2019 10:00
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Answers: 3
Asample of an iron ore is dissolved in acid, and the iron is converted to fe2+. the sample is then t...
Mathematics, 15.04.2020 06:54
Health, 15.04.2020 06:54
Chemistry, 15.04.2020 06:54
Mathematics, 15.04.2020 06:54
Mathematics, 15.04.2020 06:54
Mathematics, 15.04.2020 06:54