TERM 2 PROJECT RUBRIC Name: Naaim Eyas 10 Section: 10 Melons Identifying between Sodium Chloride (Table Salt) and Sucrose (Table Sugar) You will receive 2 beakers one contains a solution with 0.1 moles Sodium Chloride and the other contains 0.1 moles sucrose. Predict an experiment to identify which solution contains sodium chloride and which one contains sucrose without tasting or smelling any of these two substances. Prior to performing the lab, you need to complete rough draft of your Title, Introduction and Procedure using the information below and the attached rubric Title Separating a Mixture Using Differences in Physical Properties Introduction (Use the rubric on the back of this paper) v Objective (the goal of the lab) – Description of the purpose of the lab v Chemistry concepts (how will it be done?) – Discussion of all chemistry concepts used in the lab and how they can be applied to identify substances. Materials and Safety List materials and relevant safety considerations. Procedure Describe the procedure in bullet form. o Write so someone else could follow the instructions. Include an illustration of the experimental set up Equipment Available: (not all of this equipment must be used) Beakers Funnel Water Digital balance Funnel Scoop Note: You may asked to find the number of particles(or molecules) and the number of any atom involved in the composition of NaCl or C12H22O11 sample(0.1 moles). è You need to complete a rough draft of your Title, Introduction, & Procedure before you actually perform the Lab. è Print a HARD COPY of your rough draft (Title, Introduction, and Procedure) (Identifying Between a Cup of Sugar and a Cup of Table Salt) When it comes in differentiating between two different elements you will have a lot of ways you can use for example: Melting point, Boiling point, electrical conductivity, etc. But I will be using a digital balance to find out which cup had sugar in solution and which had salt in solution. You need in this experiment: 1. 2. 3. 4. CUPS SUGAR AND SALT DIGITAL BALANCE WATER ELEMENTS CALCULATION: Table salt: NaCl Sodium has an atomic mass of 22.98 Chlorine has an atomic mass of 35.453 We add them together and then divide by 10 to get a to get the element to 0.1 moles 22.98+35.453=58.433g/1mole. Sugar: C12H22O11 58.433/10=5.8433g/0.1 mol Carbon has an atomic mass of 12.0107 We have 12 carbons So, 12 multiplied by 12.0107=144.1g/1 mole Hydrogen has an atomic mas of 1.00784 We have 22 hydrogens So, 22 multiplied by 1.00784=22.2g/1 mole Oxygen has an atomic mass of 16 We have 11 oxygens So, 11 multiplied by 16=176g/1 mole We need to add all of them together and divide by 10 to get the element to 0.1 mole 144.1+22.2+176=342.3. 342.3/10=34.23g/0.1 mol Now you can begin your experiment. 1. You need to bring two cups, in the first cup put 5.8433g of table salt and in the second put 34.23g of sugar. 2. Then add in both 50g of water 3. Mix it to become a solution 4. Then measure it 5. When measuring the cup containing sugar, I got a value of 87.22g, and when measuring the cup containing salt, I got a value of 57.43g. As a conclusion, we can conclude that the one with the greater weight is the cup with sugar, and the one with less weight is the cup with salt. This experiment could be easily conducted by anyone even by a childe. It is safe to do in home, there is no any equipment than can cause damage to anything or anyone. The difference between the two elements is 87.22-57.43=29.79g