Chemistry, asked by munabeel833, 6 months ago

calculate the mass of 5 g atom calcium
(gam Na=23g, Ca=40g)

Answers

Answered by anujgodwe956

1

Answer:

(i) Molecular weight of Na=23g

23g of sodium contains 1g atom of it.

∴115g of sodium contains

23

1

×115=5g atom of it.

(ii) Molecular weight of Calcium =40g

Mass of 1g atom of Ca=40g

∴ Mass of 5g atom of Ca=40×5=200g

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