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107. Solving a chemistry problem

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Content: 12.rar (11.93 KB)
Uploaded: 25.08.2022

Positive responses: 0
Negative responses: 0

Sold: 1
Refunds: 0

Seller: Derkach

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Description

Calculate the sample for preparing 500 ml of the standard solution of iron (III) ion from a 0.1% solution of iron (III) ion. 0.003 mg of iron (II) - or (III) -ion in 1 ml of solution gives a clear yellow color by reaction with the reagent;