CIE IGCSE Chemistry exam revision with multiple choice questions & model answers for Stoichiometry. Made by expert teachers.
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CHEMISTRY B- MOLES PACKET NAME: _____ HR: _____ PAGE 2 INTRODUCTION TO MOLES We are about to start on a unit of chemical calculations called “stoichiometry”. Stoichiometry is how we calculate the relationships between the amounts of reactants and the amounts of products.
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South Pasadena Chemistry 12 The Gas Laws Name Period Date THE IDEAL GAS LAW n PV = nRT where pressure in atmosphere volume in liters = number of moles of gas Universal Gas Constant = 0.0821 atm/mol.K Kelvin tem erature 1. 2. U 150 5. 7. 8. 9. How m will occupy a volume of 2.50 liters at 1.20 atm and 25 0 C? moles of o 0.001
- CHEMISTRY B- MOLES PACKET NAME: _____ HR: _____ PAGE 4 CHEMISTRY WORKSHEET # 2: THE MOLE AS A UNIT OF MASS Now that you know how to find the mass of one mole of a substance (molar mass) you can easily find the mass of several moles or the mass of a fraction of a mole using the factor-label technique.
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- Question: PAGES CHEMISTRY B-MOLES PACKET NAME: HR: CHEMISTRY WORKSHEET #5 MOLE PROBLEMS-MOLAR VOLUME OF A GAS We Have Learned That A Mole Is A Mass Of Material And Number Of Particles. A Mole Can Also Be A Measure Of Volume When We Are Talking About Gases. You May Remember From Previous Science Classes That All Gases Behave Basically The Same As Far As The Physical ...
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4. What is the mass of 1 mole of O. 2? g : 32 5. What is the mass of 1 molecule of O. 2? 5.32 x 10-23. g. 6. What is the mass of 2 mol of H. 2SO 4? g : 196 7. What is the density of O 2 at STP? 1.43 g/L . 8. 3 L of a gas weighs 2 g. What is the molecular mass? 14.9 g/mol : 9. What volume does 22g of CO. 2. at STP occupy? 11.2 L . 10. How many ...