Question

Calculate the number of oxygen atoms in 0.10 mole of Na2CO3.10H2O.​

Answer 1

hi friend

here your answer,

Oxygen has molar mass of 16.

Oxygen amount in Na2CO3.10H2O is 10 O+ 3 O

13 Oxygen atoms.

13*16= 208.

So 1 Mole of Na2CO3.10H2O has 208 gms of oxygen atoms. But 0.1 Mole has 20.8 gms of oxygen.

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Answer 2

please refer the attachment ....!!