A dried sample of K₂Cr₂O7 (MM-294.1850 g/mol) weighing 1.04 g was dissolved in 1,975.4 mL of 1.0 M H₂SO4. What is the concentration of Cr (51.9962 g/mol) in ppm? Report your answer to 2 decimal places.

A dried sample of K₂Cr₂O7 (MM-294.1850 g/mol) weighing 1.04 g was dissolved in 1,975.4 mL of 1.0 M H₂SO4. What is the concentration of Cr (51.9962 g/mol) in ppm? Report your answer to 2 decimal places.

Chemistry & Chemical Reactivity

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Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability

Section20.7: Green Chemistry And Sustainability

Problem 2.1ACP: Assume that a sample of hard water contains 50. mg/L of Mg2+ and 150 mg/L of Ca2+, with HCO3 as the...

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Question

A dried sample of K₂Cr₂O7
(MM-294.1850
g/mol)
weighing 1.04 g was dissolved
in 1,975.4 mL of 1.0 M H₂SO4.
What is the concentration of Cr
(51.9962 g/mol) in ppm?
Report your answer to 2
decimal places.

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