the atomic mass of calcium is 400 . what will be the no of calcium atom in 0.4u?
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typing mistake ,
atomic mass of calcium =40 u
mole = given weight /atomic weight
= 0.4 /40 = 0.01
no of atoms = mole × Avogadro's constant
= 0.01 × 6.023 × 10^23
= 6.023 × 10^21
atomic mass of calcium =40 u
mole = given weight /atomic weight
= 0.4 /40 = 0.01
no of atoms = mole × Avogadro's constant
= 0.01 × 6.023 × 10^23
= 6.023 × 10^21
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