Question

Calculate the number of oxygen atoms in 0.10 mole o f washing soda

Answer 1

Answer:

0.3

Explanation:

Washing soda chemical formula is Na2CO3

Number of moles of Oxygen atoms =3

these Oxygen atoms are present in 1 mole of washing soda

then,

0.1 moles of washing soda how many Oxygen atoms = x

by cross multiplication we get

1×x=0.10×3

x=0.10×3÷1

x=0.3