PPT-7.5 Molar Mass and Calculations

The molar mass of an element is useful to convert moles of an element to grams or grams to moles For example 1 mole of sodium has a mass of 2299 grams Learning Goal Calculate the molar mass of a . 5/22 DO NOW. 1. . Out of the following topics, list the top 3 you struggle with the most. - Calculating Molar Mass. - Balancing Reactions. - Converting from Mass to Moles. - Converting from Moles to Mass. Concentration. The amount of a specific substance in a known volume of solution. Concentrated Solutions. The amount of substance dissolved in solution is very high . It is difficult to dissolve more substance into solution. Molar Mass. Molar mass- same as atomic mass but for a compound rather than an atom.. To determine the molar mass of any compound you add up the atomic mass of all atoms present.. NaCl. 22.99 35.45 = . 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.. Moles and Mass. The . molar mass . gives us the relationship between the . number of moles . and the . mass of an element or compound. .. We can . use the molar mass . to . calculate . the . mass. or . Atomic Mass. What is an elements atomic mass?. The weighted average of its naturally occurring isotopes. .. When looking at an element on the periodic table of elements, where is atomic mass found?. Usually the top left hand corner of each elements box. However, on the periodic table that you will use for your AP Exam(s), this number will be located below each elements chemical symbol.. Avogadro Memes…. MOLE. (mol)‏. Mass. (g)‏. Particles. (. atoms,m’c. or . f.u. .). MOLE CONVERSIONS. Which conversion factors allow you to convert from mass to moles and from particles to moles.. 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 big. concepts of Chemistry.. The mole is a . counting. number, just like. 1 dozen = . 12. things . 1 score = . 20. things . 1 ream = . 500. things . 1 mole = . 6.022 x 10. 23. . things or . CALCULATION OF THE WATER OF HYDRATION COEFFICIENT. FROM YOUR DATA, FIND . MASS OF ANHYDROUS SALT. . ( SUBTRACT EMPTY BEAKER FROM BEAKER CONTAINNING THE ANHYDRATE AT END OF LAB).. CALCULATE THE MOLAR MASS (GFM) OF YOUR ANHYDROUS SALT AND CONVERT YOUR MASS TO MOLES.. 12.00 g C-12 = 1 mol The number of particles in 1 mole isatoms 1 mol6.022 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. What things were mixed? What was made?. Chemical Reactions. Chapter 7. Are you into them?. . Intro Reaction Lab – Ziploc Science. Four Substances. Sodium bicarbonate. Bromothymol. blue. Calcium chloride. First lesson of our next unit: U7 Stoichiometry . P3 Challenge – . Determine the number and kinds atoms for the chemical formula Al. 2. (SO. 4. ). 3. Today’s Objective –. Moles and particles. Assignment: .