JEE Main 2017ChemistrySome Basic Concepts of ChemistryMediumMCQ

JEE Main 2017 — Some Basic Concepts of Chemistry Question with Solution

JEE Main 2017 (09 Apr Online)

Question

What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875% acid solution?

Choose an option

Show full solutionCorrect option: A
Correct answer
A316

Step-by-step explanation

V×45100+800-V20100=800×29.875100

9V20+160-V5=239

5V20=79⇒  V=316

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About this question

This is a previous-year question from JEE Main 2017, 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.