Some Basic Concepts of Chemistry

What is a Mole?

445

A Chemist's Dozen

336

Mole-Particle Relation

397

Going Atomic

410

Stepping Up!

303

Reverse Conversion

248

Analogy & Case 1

408

Cases 2 and 3

372

Particle-Mass Conversion - Part 1

264

Reverse Cases

347

Particle-Mass Conversion - Part 2

317

Air: A Gaseous Mixture

503

Let's go to the Lab

455

Case 4

226

Particle-Mass Conversion - Part 3

322

Interconversion - Case 1

400

Mass of an Atom

331

Particles v/s Composition

251

Interconversion - Case 2

127

Mass Number

150

Interconversion - Case 3

352

Interconversion - Case 4

307

Atomic & Molecular Mass

554

Practice 1

442

H as a Reference

279

Practice 2

649

What's Molarity?

382

C-12 as reference

326

Practice 3

233

RAM & RMM

171

Float, Sink or Suspend?

428

Concentration and Dilution

467

Relative Density & Specific Gravity

706

Phlogiston, what?

265

Mixing

311

Practice 1

419

Onto Modern Chemistry

386

Vapor Density

155

Calculating atomic mass

320

Definite Proportions

324

Find number of molecules

170

Oppositions to Acceptance!

133

Multiple Proportions

193

How about a Sherbet?

320

Find mass of molecule

371

Understanding the Law

286

Playing with Rose Syrup

311

Calculating mass of molecule

492

Practice 2

291

Understanding V/V

256

Who Arrived Earlier?

179

Determining weight of molecule

215

Practice 1

169

Practice 3

455

Relating Mass Ratios

413

V/V: Concentration and Dilution

174

Weighted Averages

332

Practice 4

492

Practice 2

165

V/V: Mixing

204

V/V: Percentage

70

Average Atomic Mass

193

Practice 1

403

Practice 1

241

Stating the Law

325

Yet another fraction: w/w

283

% Abundance

480

Practice 2

234

Practice 2

499

Finding Mass

258

Practice 1

252

Practice 3

465

Practice 3

264

Level Up!

178

Find Remaining Mass

372

Practice 2

384

Practice 4

413

Who Doesn't Violate?

167

Practice 3

335

Practice 1

276

Identification of Law

377

Practice 4

246

Practice 2

293

Mole Concept Basics

138

Molality

670

Empirical & Molecular Forumla

125

Find Mass from Mass Ratios

207

Stoichiometric Calc, Limiting Reagents

89

Practice 2

313

Mole-mass Conversion

494

Equivalent Weight

78

Concentration Terms

248

Which is Incorrect?

250

Practice: Interconversions

73

Normality

50

JEE Advanced Analysis

95

Identify correct option

219

Need for w/V

372

Numerical - 2

283

Numerical - 3

87

Practice 1

588

Numerical - 4

87

Representing Molar Masses

287

Fraction of moles

287

Numerical - 5

157

Numerical - 6

103

Practice 2

325

Examples on Molar Mass

372

JEE Mains Analysis

103

Numerical - 1

70

Let's Calculate!

216

Numerical - 2

95

Practice 3

146

Practice 1

157

Numerical - 3

85

Numerical - 5

73

Practice 2

154

Practice 1

516

Numerical - 6

156

Numerical - 7

71

Practice 3

349

Practice 4

198

% Composition

538

Practice 5

208

Calculating Mass%

134

Practice 4

361

Practice 6

474

Calculating Molar Mass

236

Practice 5

208

Find Least Molar Mass

133

Practice 6

242

Practice 2

368

Trace Amounts

410

Formulaes

350

Practice 3

360

Practice 7

214

E.F. & % Composition

332

Millions and Billions

467

Practice 1

588

Calculating M.F.

396

Practice 1

112

Practice 8

349

Solving Example

218

Practice 2

229

Practice 2

502

Practice 3

233

Stoy-Key-Omet-Tree?

121

Stoichiometry: An experiment

707

More into Stoichiometry

441

Quantitative Analysis of our Experiment

265

Effect on Volume of Gas

250

Experimenting with dry ice!

276

Mass and Volume

308

Mass & Volume: Iterations

470

Avogadro's Law

597

Understand the Expression

201

Gay-Lussac's Daring Feet!

276

Reason Behind the Law

288

How Heavy is a Gas?

316

Molar Volumes

386

Finding Molar Volumes

359

Limits of Reaction

551

Quantifying Experimental Observations

493

Identifying L.R. and E.R.

555

Finding L.R. and E.R.

426

Finding Number of Moles

250

Finding Volume of Gas

272

Finding Mass of Molecule

336

Finding Volume of Sample

315

Calculating Amount of Gas

273

Calculate No. of Moles

233

Find Volume Ratio of Gas

238

Find Number of Molecules

144

Juggling Concepts

575

Identify the Gas

207

Identify the Formula

111

Find Gram Molecular Mass

166

Find Molecular Weight

413

Find mixture weight at STP

252

The Length and the Breadth of It

146

Sharpshooter

316

This Is a Significant One

295

You Need Good Representation

467