[K2CrO4] = 1.75 M
The concentration is best represented by large bracket like this [x]. .
What exactly is 1 mole?
The number of atoms or other particles in a mole is the same for all substances.
The mole is related to the mass of an element in the following way:
one mole of carbon-12 atoms has 6.022 × 10²³ atoms and a mass of 12 grams.
i.e.
Molarity = No. of moles ×[tex]\frac{1}{volume}[/tex]
The best way to represent the concentration of a 1.75 M K₂CrO₄ solution is in bracket [x]. in square bracket.
i.e.
[K2CrO4] = 1.75 mole per liter.
Thus, the best way is using the square bracket [x ].
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