Q.

If Avogadro number NA, is changed from 6.022 × 1023 mol-1 to 6.022 × 1020mol-1, this would change

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a

the mass of one mole of carbon

b

the ratio of chemical species to each other in a balanced equation

c

the ratio of elements to each other in a compound

d

the definition of mass in units of grams.

answer is A.

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Detailed Solution

Mass  of 1 mol(6.022 × 1023 atoms) of carbonIf Avogadro number is changed to 6.022 × 1020 atoms thenMass of 1 mol of carbon=12×6.022×10206.022×1023=12×10-3 g
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