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Concentration problems


Could anyone help me by providing a step-by-step method to answering these questions? An aswer to compare it to would also be greatly appreciated.

Q1. Calculate the chemical amount of anions in 94.5 mL of a 0.4412 M solution of barium nitrate.

Q2. Calculate the concentration of anions if 120.0 mL of a 0.3520 M solution of nickel(II) bromide is diluted with water to the mark in a 500.0 mL volumetric flask.


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