Question

6. The GMM of Na2CO3 is 106 g. a) What is the number of molecules present in 106 g of thecompound? b) Calculate the number of oxygan atoms present in 106 gofth compound 1 1​

Answer 1

Answer:

I don't know

Answer 2

Answer:

Below

Explanation:

(a) moles of na2co3=given weight/molar mass=106/106 = 1 mol

no. of molecules in 1 mole = 6.022 * 10^23 molecules

(b) moles of oxygen present in 1 mole of na2co3=3 moles

number of oxygen atoms= 6.022*3*10^23 atoms

                                         = 1.8066*10^24 atoms

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