A 100.0 mL sample of spring water was treated to convert anyiron present to Fe^{2+}. Addition of 25.00mL of a 0.004951M\ K_2Cr_2O_7 solution resulted
Trent Carpenter
Answered question
2020-11-27
A 100.0 mL sample of spring water was treated to convert anyiron present to . Addition of 25.00mL of a solution resulted in the reaction.
The excess wasback-titrated with 6.13 mL of a solution. Calculate the ppm of iron in the sample.
Answer & Explanation
Nola Robson
Skilled2020-11-28Added 94 answers
In converting this to mg you get and this is the value for 100 mL then to find it for 1000 L you do:
So the final answer is 215 ppm.
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