Question

what is the number of atoms of various elements present in the following compound. 2Na2SO4,2PbO,(NH4)2SO4,4KMO4,2NH4CI,3AI2(SO4)3,Ca(HCO3)2,NH4NO2​

Answer 1

Answer:

Detail is given below.

Explanation:

2Na₂SO₄

There are two sodium, one sulfur and four oxygen atoms are present in Na₂SO₄.

In 2 mole of Na₂SO₄ = four sodium, two sulfur and 8 oxygen atoms are present.

2PbO

There are one oxygen and one lead atoms are present in PbO.

In 2 mole of PbO = 2 lead and 2 oxygen atoms

(NH₄)₂SO₄

There are two nitrogen, eight hydrogen, one sulfur and four oxygen atoms are present in (NH₄)₂SO₄.

4KMnO₄

There are one potassium, one manganese and four oxygen atoms are present in KMnO₄.

In 4 mole of KMnO₄ = four  potassium, four manganese and sixteen oxygen atoms

2NH₄Cl

There are one nitrogen, four hydrogen and one chlorine atoms are present in NH₄Cl.

In 2 mole of NH₄Cl = two nitrogen, eight hydrogen and two chlorine atoms

3Al₂(SO₄)₃

There are two aluminum, three sulfur and twelve oxygen atoms are present in Al₂(SO₄)₃.

In 3 mole of Al₂(SO₄)₃ = six aluminum, nine sulfur and thirty six oxygen atoms are present.

Ca(HCO₃)₂

There are one calcium, two hydrogen, two carbon and six oxygen atoms are present.

NH₄NO₂

There are two nitrogen, four hydrogen and two oxygen atoms are present in NH₄NO₂.