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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