JEE Main 2021ChemistrySome Basic Concepts Of ChemistryConcentration TermseasyNumerical

JEE Main 2021Some Basic Concepts Of Chemistry Question with Solution

From: JEE Main 2021 (Online) 26th August Evening Shift

Question

100 mL of Na3PO4 solution contains 3.45 g of sodium. The molarity of the solution is _____________ 102 mol L1. (Nearest integer)

[Atomic Masses - Na : 23.0 u, O : 16.0 u, P : 31.0 u]

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Show full solutionCorrect answer: 50
Correct answer
50

Step-by-step explanation

Molarity of Na3PO4 Solution =



= 0.5 = 50 102

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About this question

This is a previous-year question from JEE Main 2021, covering the Some Basic Concepts Of Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.