State chemical bottles labeled to contain blue-coloured

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Chemical bottles labeled to contain blue-coloured NISO4 -6H20 often contain instead the green-coloured NISO4-7H2O.

How many fewer grams of Ni are in 1.01b of NIS04-7H20 than would be in 1.0lb of NISO4-6H20?

Reference no: EM13184475

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