Question

Calculate the ratio by number of atoms in water molecule ? ( Mass Ratio of 1 : 0 in water is 1 : 8 )

Answer 1

Answer:

Explanation:

The ratio of hydrogen and oxygen by mass in water is 1:8. The atomic masses of H and O are 1 g/mol and 16 g/mol respectively. In H2O, the ratio of hydrogen and oxygen by mass will be 2:16=1:8.

Answer 2

The answer is 2:1

GIVEN

Molecule of water.

TO FIND

the ratio by number of atoms in water molecule.

SOLUTION

We can simply solve the above problem as follows;

We know that molecular formula of water = H₂O

Number of atoms of Hydrogen = 2

Number of atoms of Oxygen = 1

Ratio of atoms in a water molecule = Number of atoms of Hydrogen/Number of atoms of Oxygen.

Therefore,

Ratio of atoms = 2/1 = 2:1

Hence, The answer is 2:1

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