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OpenStudy (anonymous):
Help please? What mass of Zn(NO3)2 (molar weight 189.4 g/mol) must be diluted to a mass of 1 kg with h2o to prepare 97 ppm Zn2+ (aq)?
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OpenStudy (anonymous):
I have no idea how to get the Zn from the Zn(NO3)2?
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