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Problem- Which of the following represents a 100 ppm solution of quinine sulfate?

100 mg of quinine sulfate in 1 liter of water

100 g of quinine sulfate in 1 liter of water

100 g of quinine sulfate in 100 mL of water

100 mg of quinine sulfate in 100 mL of water

Not confident which formulas/units I require to solve something like this

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Category:- Chemistry
Reference No.:- M91228189

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