Chemistry – Apr 10, 2018 P3 Challenge – Get out Empirical Formula Worksheet for HMK check P3 Challenge – Determine the Empirical Formal for a compound that contains 24.741% potassium, 34.764% manganese and 40.496% oxygen. Today’s Objective – Moles and Chemical formulas Agenda Hmk Review Pair vs Pair competition Assignment:
Practice in pairs Create problem for another pair: Pick a compound. (Keep it a secret from your other team.) Determine the molar mass of your compound. Find the mass percentage of elements in your compound. Exchange your lists of a) molar mass, b) elements, c) mass percents Determine your mystery compound Convert your list of percents and molar mass to a chemical formula. Check your answer (by email if you don’t finish).
Exit Slip - Homework Exit Slip: None What’s Due? (Pending assignments to complete.) What’s Next? (How to prepare for the next day) Read p100-102, p224-232, 241 p246-247