Which of the following is the correct chemical formula of sodium phosphate?

N a P O_{4}

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N a_{3} (P O_{4})_{2}

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N a_{2} (P O_{4})_{2}

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N a_{3} P O_{4}

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Solution

The correct option is D $N a_{3} P O_{4}$
The valency of sodium is 1 and that of phosphate radical is 3. So cross-multiplying the valencies we get the formula $N a_{3} P O_{4}$

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Similar questions

Chemical name of $N a_{3} P O_{4}$ is sodium phosphate.

The following table gives the steps we use in writing the formulae of compounds. What is the correct formula of sodium phosphate?

M_{2} C O_{3}

M I

M_{3} N_{2}

M_{3} P O_{4}

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