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Question

1 atomic mass unit is equal to:
  1. 112th mass of a carbon-12 atom
  2. 1.66×1024 g
  3. 6.023×1023 g
  4. 6.023×1023 g

A
6.023×1023 g
B
112th mass of a carbon-12 atom
C
1.66×1024 g
D
6.023×1023 g
Solution
Verified by Toppr

One atomic mass unit is a mass unit equal to exactly one-twelfth (1/12th) the mass of one atom of carbon-12.

So, we can write 1 atomic mass unit =112 mass of carbon-12 atom =112 × 126.023×1023g =1.66×1024 g

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