carbon. Sugar contains sucrose which is the common saccharide in many plant parts. Sucrose (sugar) is composed of 12 carbon atoms‚ 22 hydrogen atoms and 11 oxygen atoms. Therefore‚ the chemical formula of compound sugar C12H22O11. Figure 1‚ shows the structure of sugar as a 3D diagram. Figure 2‚ is a demonstration of the structure of sugar in a 2D diagram. The molar mass of compound sugar is 342.2965g/mole with a density of 1.59g/cm3 and a melting point of about 186
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Mass % of Sucrose in Chewing Gum Purpose To find the mass percentage of sucrose in chewing gum and compare the actual mass to the mass indicated on the package and compare the masses to that of different brands of chewing gum. Hypothesis The theoretical mass percentage of sucrose (C12H22O11) in chewing gum. Materials - Sample of chewing gum + wrapper - Electronic balance Procedure 1. Form groups of 3‚ and distribute a different brand of gum to each member of the group. 2. Record the brand
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Determining the Rate of Osmosis with Water and Sucrose 10/3/2012 Determining the Rate of Osmosis with Water and Sucrose Author: Results: Bag 1 had a rate of osmosis equal to 0.01 grams per minute. Bag 2 had a rate of osmosis equal to 0.0543 grams per minute. Bag 3 had a rate of osmosis equal to 0.0471 grams per minute. Bag 4 had a rate of osmosis equal to 0.0886 grams per minute. Bag 5 had a rate of osmosis equal to -0.0914 grams per minute (Figure A). Figure A: Shifting of mass
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experiment was finalized the vinegar solution enlarged the eggs mass. Before the vinegar solution it was 55.1 grams and after the solution it was 67.9 grams. The volume of the egg was also increased. At the beginning it was 50 mL after the solution it was 60 mL; it had a 10 mL difference. It is visible that a hypotonic solution was present. This rejects the hypothesis made. When the egg was placed in 150 mL of vinegar and left intact overnight the egg did sink to the bottom and remain that way‚ however
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observe the effects of osmosis on eggs placed in vinegar (5% acetic acid)‚ syrup (60% sugar solution)‚ and water (100% distilled). Hypothesis: Hypothesis #1: It was hypothesised that the egg would gain 59 grams of mass after soaking in vinegar for 24 hours. Hypothesis #2: It was hypothesised that the egg would become larger when soaked in syrup than it once was due to the hypotonic environment. Hypothesis #3: It was hypothesised that the egg would soak in water for 72 hours‚ losing mass. Introduction:
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project is to determine whether river water or lake water is cleanest as it relates to tap water. The independent variables being tested in this experiment are the different waters being tested which are river water‚ lake water‚ and tap water‚ which is the control. The dependant variable is which of the three waters are the cleanest as it relates to unfiltered tap water. The purpose of this experiment is to determine what the different aspects of the three types of waters are and how that relates to cleanliness
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1. Double-Strength chloroform water B.P Product Manufacturing Record Product Details Product Code: Name: Double-Strength chloroform water B.P Batch NO: Date of Manufacture Quantity: Ingredients Ingredient Batch NO Formula For 1000 ml Amount Used 100ml POM Check 1. Chloroform 2. Purified water up to
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of goggles and put them on and make sure hair is tied up‚ if long‚ using any sort of hair band. Take the 100ml glass beaker and place it under the water tap’s opening‚ the place where the water comes out from‚ then turn the tap on. Do not turn the tap off until the water inside the beaker reaches the 50ml mark‚ to ensure that there is only 50ml of water in the 100ml beaker. Then take the beaker and place it somewhere safe on the table. After that take the scale and plug it’s wire in the socket‚ then
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an initial height of 4 feet at an initial velocity of 350 feet per second. The gravitational force of Earth is pulling the rocket down at a rate of 16 feet per second per second. The formula for‚ s(t)‚ for the function that models the height of the water balloon at time t‚ in seconds‚ is s(t)= -16t2 + 350t + 4. We can determine how long it takes for the rocket to land from the graph where the function intercepts the x-axis because this is the value where the height of the rocket is 0 feet. From the
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Jolyne Piet CHM-221L-02 Lab #2: Experimental Design Isolation of Sucrose: 3.01 g Panacetin were weighed in a 125-mL Erlenmeyer flask‚ and 51mL dichloromethane were added to partially dissolve the Panacetin. The insoluble portion was gravity filtered and air dried to yield 0.45 g of sucrose (15.0 % of original Panacetin). Isolation of Aspirin: The organic filtrate was extracted through a separatory funnel with 32 mL 5% sodium bicarbonate to produce an aqueous layer and a dichloromethane layer
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