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Prepore of Cr (NO3), Of the preparee Soluton. 3+ l00 ml ot z 0.075 m Co" solution out 9 HeO, czlculate the ex2ct concentatlon

Prepore of Cr (NO3), Of the preparee Soluton. 3+ l00 ml ot z 0.075 m Co" solution out 9 HeO, czlculate the ex2ct concentatlon

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
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Prepere l00 mL of ¿ O.075 m Co" solution out of Cr (NO3),:9 HaO. Clculate the exact concentratlen Of the Preparee soluton.
Transcribed Image Text:Prepere l00 mL of ¿ O.075 m Co" solution out of Cr (NO3),:9 HaO. Clculate the exact concentratlen Of the Preparee soluton.
Expert Solution
Step 1

Given, volume of solution = 100 mL

           concentration of Cr(NO3)3 = 0.075 M

Now, 1 mole of Cr(NO3)3.9 H2O can give 1 mole of Cr3+. Thus, we can write,

             [Cr(NO3)3.9 H2O] = [Cr3+] = 0.075 M

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