Question:

How many moles of Ba3(PO4)2 will be formed by the reaction of 5 moles of BaCl2 and 3 moles of Na3(PO4).

Updated On: Mar 21, 2025
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Correct Answer: 53

Solution and Explanation

Reaction of BaCl2 and Na3PO4

Given Reaction:

The reaction between BaCl2 and Na3PO4 is:

3BaCl2 + 2Na3PO4 → Ba3(PO4)2 + 6NaCl

Given Moles:

  • Barium chloride (BaCl2): 5 moles
  • Sodium phosphate (Na3PO4): 3 moles

Calculation:

The balanced equation shows that 3 moles of BaCl2 react with 2 moles of Na3PO4 to produce 1 mole of Ba3(PO4)2.

Now, using the mole ratio from the equation:

  • From 3 moles of BaCl2, 1 mole of Ba3(PO4)2 is formed.
  • So, from 5 moles of BaCl2, the moles of Ba3(PO4)2 formed will be: 5 moles × (1 mole Ba3(PO4)2 / 3 moles BaCl2) = 5/3 = 5 moles.

Conclusion:

The number of moles of Ba3(PO4)2 formed is 5 moles.

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Concepts Used:

Some Basic Concepts of Chemistry

Chemistry is a vast subject and for understanding its significance we can take help of following points:

  • Chemistry plays an important role in understanding various subjects like physics, geology and biology.
  • Chemistry is a core branch of science that explains us about the various compositional properties and interaction of matter. It also helps to understand various chemical reactions.
  • Chemistry is important in order to understand the behaviour of fertilizers, alkenes, acids, salts, dyes, polymers, drugs, soaps and alloys in organic and inorganic chemistry.
  • Chemistry plays an important role in various fields like healthcare, industrial, research, food, and farm activities.

Read More: Some Basic Concepts of Chemistry

Classification of Matter

There are two ways of classifying the matter:

(A) Physical Classification:

Matter can exist in three physical states:

  1. Solids - have definite volume and definite shape
  2. Liquids - have definite volume but not definite shape.
  3. Gases - have neither definite volume nor definite shape.

(B) Chemical Classification:

Based upon the composition, matter can be divided into two main types:

  1. Pure Substances are defined as a single substance (or matter) which cannot be separated by simple physical methods. Pure substances can be further classified as (i) Elements (ii) Compounds
  2. Mixtures are the combination of two or more elements or compounds which are not chemically combined together and may also be present in any proportion.