PPT-Quantitative Chemistry Relative Formula Mass (M

r Total of all the relative atomic masses of all the atoms in the compound mass of an element in compound A r x number of atoms of that element M r of the compound x100 eg by mass of chloring in MgCl. Atoms and Reactions Lesson 1. 1.1.2. Atomic Masses. WARM UP:. Work out the relative molecular mass of:. Calcium carbonate - CaCO. 3. Magnesium chloride - MgCl. 2. . Methane – CH. 4. Copper sulphate - CuSO. Anna . Permanasari. Course Identity. 2 . sks. , . 2. nd. grade. , . . 4. nd. . semester. Compulsory/ . Concretation. Competence Courses. . prerequisite . : . Has attended fundamental . chemistry. - “Peter is the student” “. He. . comes from Glasgow”:. “Peter is the student . WHO comes from Glasgow. ”.. - “The books are on the table” “. They. are mine”:. “The books . The Molecular Nature of Matter and Change. Seventh Edition. Martin S. Silberberg and Patricia . G. Amateis. Copyright .  . McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.. A Dozen Elephants & . A Dozen Paper Clips. Would a dozen of each weigh the same amount? Give a reason for your answer.. Moles and Mass. The molar mass gives us the relationship between the number of moles and the mass of an element or compound.. • What is “Inorganic Chemistry”?. . - descriptor or professional subfield. . - same as “General Chemistry”?. • Highlights from the inorganic timeline. . - Lavoisier: origin of modern chemistry. Stoichiometry. Mass and Moles of a Substance. Chemistry requires a method for determining the numbers of molecules in a given mass of a substance. . which has lead to the development of the . mole. (quantity of substance to be discussed later).. Nivaldo. J. . Tro. Chapter 6. Chemical Composition. Dr. Sylvia Esjornson. Southwestern Oklahoma . State University . Weatherford, OK. How Much Sodium? . Sodium is an important dietary mineral . that . The Mole. Chemist’s counting number. amount. of a substance . 1 mole is equal to 6.022 x 10. 23. atoms or particles or molecules (Avogadro’s number). There are always 6.022 x 10. 23 . particles in . Composition of Substances and Solutions Atomic Mass and Formula Mass; Mole & Molar Mass; Percent Composition of Compounds; Determination of Empirical & Molecular Formulas; Molarity Other Units for Solution Concentrations Unit 3 – Stoichiometry. Which element does the PES spectrum above represent?. Draw the Bohr Model of this element.. Is there anything in the PES data for this element that requires revision of the Bohr model? . I. Percent Composition. Think about this:. How would you find the percent of boys in our class?. # of boys (part)____. x 100% . Total # of students (whole). I. Percent Composition. . Determining Molecular Formulas. Calculate the molecular formula of a compound whose molar mass is 60.0 g/mol and has an empirical formula of CH4N.. What you need:. Empirical Formula. Molar Mass. Calculate the molar mass of the empirical formula. 1 2 Analytical Chemistry Instrumental MethodsChemical Methods TitrationGravimetric AnalysisSolution Chemistry Spectroscopy Mass Spectrometry Optical Absorption NMR Microwave Optical Emission FT-ICRTOF