The best way to represent the concentration of a 1.75 m K₂CrO₄ solution is [K₂CrO₄] = 1.75M.
Concentration of any substance will give idea about the quantity of that substance present in given volume.
Concentration will be express in many ways like molarity, molality, mole fraction and so on. And to express the quantity in concentration we will use the big square closed bracket like this [ ].
Hence, best way is [K₂CrO₄] = 1.75M.
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