What is the oxidation number assigned to manganese in kmno4?
(1) +7 (3) +3
(2) +2 (4) +...
Chemistry, 16.12.2019 20:31 FlayMaster101
What is the oxidation number assigned to manganese in kmno4?
(1) +7 (3) +3
(2) +2 (4) +4
Answers: 3
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Twenty-seven milliliters of an acid with an unknown concentration are titrated with a base that has a concentration of 0.55 m. the indicator changed color when 12.5 milliliters of base were added. what is the concentration of the unknown acid?
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Boron has an average atomic mass of 10.81. one isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent . the other isotope has a relative abundance of 80.20 percent what is the mass of that isotope? report two decimal places
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