How many gram atoms are there in 10 g of Ca ?
Answers
Answered by
6
Explanation:
Weight of calcium =10 g
Atomic weight of calcium =40 g/g atom
Number of gram atoms of calcium =
40 g/gatom
10 g
=0.25 gram atoms.
The Avogadro's number is 6.023×10
23
atoms/ g atom
The number of atoms of calcium =0.25 gram atoms ×6.023×10
23
atoms/ g atom
≈1.50×10
23
atoms
Answered by
2
Answer:
10/40=
0.25
answer is 0.25
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