What volume of 0.142 M K_2Cr_2O_7 would be required to oxidize 70.0 mL of 0.100 M Na_2SO_3 in...
Question:
What volume of {eq}0.142\;M\;K_{2}Cr_{2}O_{7} {/eq} would be required to oxidize 70.0 mL of {eq}0.100\;M\;Na_{2}SO_{3} {/eq} in acidic solution? The products include {eq}Cr^{3+} {/eq} and {eq}SO_{4}^{2-} {/eq} ions.
Balanced Redox Reaction:
The amount of a certain compound required to react with a certain amount of another compound can be determined by comparing the number of moles of the compound with the stoichiometric coefficients of the compound present in the balanced chemical equation.
Answer and Explanation: 1
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View this answerWe are given:
- Molarity of {eq}\rm K_2Cr_2O_7 = 0.142\ M {/eq}
- Molarity of {eq}\rm Na_2SO_3 = 0.100\ M {/eq}
- Volume of {eq}\rm Na_2SO_3 = 70.0\...
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