Water of Crystallisation and Fe0.94O | JEE 2027 Chemistry (English)

Free notes + solved JEE problems for this lesson: https://rankdeterminant.com/go/yt-che... This chapter:    • Composition, Empirical and Molecular Formu...   All lessons of this unit:    • JEE 2027 Chemistry | Unit 1 Some Basic Con...   How to find x in a hydrate like Na2CO3·xH2O from the mass lost on heating, the atomic mass of a metal from its compound MXk (moles of M = moles of X ÷ k), the take-100-g trick for percentages, and charge balance in non-stoichiometric oxides, with two JEE solved problems: washing soda, and the fraction of iron present as Fe3+ in Fe0.94O. Chapters 0:00 Introduction 0:44 Hydrates: count the water in moles 2:06 Atomic mass of a metal from its compound MXk 3:24 Topper's trick: percentages? Take 100 g 4:02 Non-stoichiometric oxides and charge balance 5:20 Example 1: water of crystallisation in washing soda 6:42 Example 2: fraction of iron as Fe3+ in Fe0.94O 8:13 Quick revision: hydrates, metal from MXk, Fe0.94O A free JEE paper every day and a full JEE Main mock every Sunday: https://rankdeterminant.com/go/yt-dai... Chemistry · Unit 1 · Some Basic Concepts in Chemistry · Chapter 3 · Composition, Empirical and Molecular Formulae #WaterOfCrystallisation #JEEChemistry #JEE2027 Narrated with a computer voice.