Question

What is the ratio of hydrogen atoms (h) to oxygen atoms (o) in 2 l of water? enter the simplest whole number ratio in order of hydrogen to oxygen, respectively. express your answer as two integers, separated by a comma (e.g., 3,4)?

Answer 1

Answer:- 2,1

Explanations:- Water is $H_2O$ and from it's formula it is clear that the ratio of H to O moles or atoms is 2:1 means two hydrogen atoms for each oxygen atom. No matter what amount of water we have, the ratio of H atoms to O atoms is always same.

Hence, the answer is 2,1.

Answer 2

The ratio of H and O atoms in water is 2: 1

Further explanation

In a chemical compound, there is the term atom, element, and compound itself.

• 1. An atom is the smallest material consisting of a nucleus, which contains protons, neutrons, and electrons,

• 2. Elements can be atomic or molecular elements. It can be an atom such as Ag (argon), Fe (Iron). When in the form of molecules it is a combination of atoms of the same type, for example, O₂,

• 3. A molecule is a combination of elemental atoms, can be two.

- If it consists of atoms of the same element called an Element molecule, For example, N₂, Cl₂

- If it consists of atoms of different kinds of elements called molecular Compounds, for example, H₂SO₄, NaOH

There are numbers in the chemical formula of the compound:

• 1. Numbers indicate the number of atoms written after the element symbol

• 2. The number after the parenthesis shows the number multiplied by the number of atoms in the parenthesis.

• 3. The number before the chemical formula shows the number of molecules behind it. Usually used in the reaction equation

Generally, there are 2 formulas used:

• The empirical formula (RE) is the smallest atomic ratio of the constituent elements.

• Molecular formula (RM) is a formula that shows the number of atomic elements that make up a compound.

(RE) n = RM

In 1 water molecule that has the H₂O formula, according to the numbers in this molecular formula, it is found that:

there are 2 H atoms and 1 O atom, so the ratio of the atoms is:

H: O = 2: 1

Learn more

Dalton Law of Comparisons

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the number of each atom present in the formula of the compound

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The law of conservation

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Keywords: atom, molecule, molecular formula, water