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Concentration of solutions

3 PYQ across 2 exams · 2017–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CDS 2017 → GEO 2026
20171 PYQ
CDSQ44
The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the streng…
20262 PYQs
GEOQ61
What is the molarity of NaOH in the solution prepared by dissolving its 4 g in 250 mL of solution? (The atomic mass of sodium is 23)…
GEOQ62
A solution is prepared by adding 4 g of a substance to 36 g of water. What is the mass percent of the solute?…
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