What is the concentration of the AR stock solution in ppm? Using the molar mass of AR (496.42 g/mol), and that 1 ppm = 1 mg/L, convert this ppm concentration to μM. Assume the density of the solution is 1.000 g/mL. Concentration of AR Stock Solution (ppm) Concentration of AR Stock Solution (M) 21.22 Unrounded 3 Rounded

Introductory Chemistry: A Foundation
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Author:Steven S. Zumdahl, Donald J. DeCoste
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What is the concentration of the AR stock solution in ppm? Using the molar mass of AR (496.42 g/mol), and that 1 ppm = 1 mg/L,
convert this ppm concentration to μM. Assume the density of the solution is 1.000 g/mL.
Concentration of AR Stock Solution (ppm)
Concentration of AR Stock Solution (μM)
21.22
Unrounded
3
Rounded
3
Transcribed Image Text:What is the concentration of the AR stock solution in ppm? Using the molar mass of AR (496.42 g/mol), and that 1 ppm = 1 mg/L, convert this ppm concentration to μM. Assume the density of the solution is 1.000 g/mL. Concentration of AR Stock Solution (ppm) Concentration of AR Stock Solution (μM) 21.22 Unrounded 3 Rounded 3
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Concentration of AR Stock Solution (ppmppm) 21.22
  Unrounded Rounded
Concentration of AR Stock Solution (μMμM) 42.7461 42.7
AR
#
1
2
3
4
5
сл
AR #
soln.
used
1
1
2
3
4
Vol. of dye solution
(mL)
5.00
5.00
5.00
5.00
4.00
Final volume (mL)
-
10.00
10.00
10.00
10.00
10.00
Concentration (M)
Unrounded
SUBMIT
3
3
3
3
Р
Р
Rounded
3
3
3
3
3
Transcribed Image Text:AR # 1 2 3 4 5 сл AR # soln. used 1 1 2 3 4 Vol. of dye solution (mL) 5.00 5.00 5.00 5.00 4.00 Final volume (mL) - 10.00 10.00 10.00 10.00 10.00 Concentration (M) Unrounded SUBMIT 3 3 3 3 Р Р Rounded 3 3 3 3 3
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