PPT-Simplest formula calculations

Q a compound is found to contain the following by mass 6958 Ba 6090 C 2432 O What is the simplest ie empirical formula Step 1 imagine that you have 100 g of the substance Thus will become mass in grams Eg 6958 Ba becomes 6958 g Ba Some questions. Form. Simplest Form. Which would you prefer…. …or 100 pennies?. …carrying around a 1 dollar bill…. Even though they are both equal, a dollar bill is more “simple” because it is 1 piece (compared to 100). . Midterm Review. 6. th. Grade Advanced/Pre-IB Math. MULTIPLY. 1. 7.8 x 6. 2. . 46.8. 25.56 square feet. DIVIDE. 3. . 7.2 ÷ 3. 2.4. 4. . . $42.50. Multiply and write in SIMPLEST FORM. 5. . x.  . 6. Danielle DelVillano, Pharm.D.. 1. Objectives. Perform calculations to reduce or enlarge formulas for pharmaceutical preparations stated in metric quantities. Perform calculations to reduce or enlarge formulas for pharmaceutical preparations stated in proportional parts. page 3The 17c formula – Bad for Diminished Value calculationspage 6Auto Appraisal methods: Calculated and Measured Valupage 8 Components of 17c formulpage 8 1. Base Loss in Valupage 13 2. Mile Form. Simplest Form. Which would you prefer…. …or 100 pennies?. …carrying around a 1 dollar bill…. Even though they are both equal, a dollar bill is more “simple” because it is 1 piece (compared to 100). . By: LaTonya Johnson. Students will identify fractions in simplest form and find the simplest form of a . fraction. Students will learn and use correct academic vocabulary. Students will think, pair, and share to explain how to solve problems. Vocabulary. Discriminant - tells you how many solutions and what type you will have.. If the . discriminant is. . positive . – 2 real solutions. . negative . – 2 imaginary solutions. . zero . – 1 real solution. Represents the . actual. number of . atoms. of each . element. in . compound. Not necessary for . ionic compounds. Necessary for . covalent compounds. The molecular formula for water is . H. 2. O. THE MOLE. Mole. -The . number of C atoms in exactly 12.0 g of carbon., also a number 6.022 x 10. 23. Avogadro’s number . 6.022 x 10. 23. , the number of . particles. in a mole of . anything. More on the mole later……. Microsoft Office 2010 Fundamentals. 1. Introduction. 2. The real power of a spreadsheet program such as Excel is its ability to perform simple and complex calculations on worksheet data.. Using the commands located on the Formulas tab of the Ribbon, you can enter formulas to perform calculations or use predefined formulas, called functions.. Empirical Formula . = . consists of the symbols for the elements combined in a compound, with subscripts . showing the smallest whole number ratio. Molar mass. = . the mass in grams of 1 mole of a substance. 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. Objectives:. -         . The student will determine an empirical, or simplest, formula from percentage composition data..  . PA Science and Technology Standards: 3.4.10.A; 3.4.12.A. PA Mathematics Standards: 2.2.11.A, 2.3.11.C, 2.4.11.E, 2.5.11.A. Number of moles = . Mass (g. ). . . Mr (gmol. -1. ). What is the mass of 4 mol of . NaCl. ?. How many moles is 37g of Ca(OH). 2. ?. What is the mass of 0.125mol of . CuO.