1 SOME BASIC CONCEPTS OF CHEMISTRY 1 UNIT 1 SOME BASIC CONCEPTS OF CHEMISTRY After studying this unit, you will be able to • understand and appreciate the role of chemistry…

1. (a) (i) (ii) (iii) Mr(C6H11OH) = 100 (1) 6.0 ÷ 100 = 0.06 (1) Mr(C6H10) = 82 (1) Answer to (a)(i) × 82 (1) = 0.06 × 82 = 4.92 g 1.8 Answer to (a)(ii) Consequential…

Slide 1IIIIII Percent Composition Empirical Formula Molecular Formula Chemical Formulas Slide 2 Percentage Composition n the percentage by mass of each element in a compound…

Slide 1IIIIII C. Johannesson III. Formula Calculations The Mole Slide 2 C. Johannesson A. Percentage Composition n the percentage by mass of each element in a compound Slide…

Slide 1IIIIII III. Formula Calculations (p. 226-233) Ch. 3 & 7 – The Mole Slide 2 A. Percentage Composition n the percentage by mass of each element in a compound Slide…

Slide 11 If you have a box containing 100 golf balls and 100 ping pong balls, which type of ball contributes the most to the mass of the box? The same principle applies to…

1. Law of chemical combination • Law of conservation of mass • This law states that mass can neither be created nor be destroyed in a chemical reaction. • Law of definite…

Slide 1Math in Chemistry Slide 2 Percent Composition Purpose: Can be used to figure out chemical formulas. Slide 3 I. Percent Composition Two different types of problems:…

Slide 1Chapter 3 Calculations with Chemical Formulas and Equations Slide 2 Copyright © Cengage Learning. All rights reserved.3 | 2 Contents and Concepts Mass and Moles of…

Slide 1 Empirical and Molecular Formulas Slide 2 Formaldehyde CH 2 O Acetic acid C 2 H 4 O 2 Gylceradehyde C 3 H 6 O 3 40% C; 6.7% H; 53.3% O Slide 3 Empirical Formula Analysis…