Four statements about equivalent masses and titrations are given. Atomic masses: H 1.0, O 16.0, P 31.0, K 39.0, Mn 55.0. The molar mass of KMnO₄ is 158.0 g mol⁻¹. One or more statements are correct. Which are correct?

ChemistryAdvancedHigh School (11–12)Atoms and Molecules › The Mole Concept Olympiad

Four statements about equivalent masses and titrations are given. Atomic masses: H 1.0, O 16.0, P 31.0, K 39.0, Mn 55.0. The molar mass of $\text{KMnO}_4$ is $158.0\ \text{g mol}^{-1}$ . One or more statements are correct. Which are correct?

One or more options are correct. Tick all the correct ones: a wrong option costs marks, and a part-right answer earns part of the marks.

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← Four statements about reactions of gases are listed. Gas volumes are measured at the same temperature and pressure, and STP means 273 K and 1 atm with molar volume 22.4 L mol⁻¹. Atomic masses: H 1.0, C 12.0, O 16.0, Ca 40.0. One or more statements are correct. Which are correct?Next →

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