(solved)Question 1.25 of NCERT Class XI Chemistry Chapter 1

How are 0.50 mol Na2CO3 and 0.50 M Na2CO3 different?

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Parveen,

Question 1.25
NCERT Class XI Chemistry

How are 0.50 mol Na2CO3 and 0.50 M Na2CO3 different?

Solution in Detail

Difference 1

0.50 mol represents quantity of Na2CO3, but 0.50 M represents concentration of a solution in which Na2CO3 is a solute.

Difference 2

0.5 M solution of Na2CO3 can be prepared by dissolving 0.5 mol of Na2CO3 in sufficient quantity of a solvent to obtain 1 liter of 0.5 M solution.

Difference 3

0.5 mol of Na2CO3 are 0.5 x 106 (g/mol) = 53 grams by weight. But "n" liters of 0.5M contain (0.5 x n) moles of Na2CO3

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