Distilled water

A graduated cylinder was used to measure 200mL of distilled water into an Erlenmeyer flask and then 40mL of 0.6 M NaOH was added to the distilled water in the flask. The flask was then plugged with a rubber stopper and shook in order to mix the solution. A buret was then washed, rinsed with distilled water, and then 5 mL of the NaOH diluted solution. After the cleansing of the buret, it was then filled up with the NaOH diluted solution. The dilution of the solution was calculated to find the…

the substances that look similar to the unknown substance and ignoring the substances that do not look like the unknown substance). Recorded observations and continued testing with the known substances that passed. Water Solubility Test Filled 5 test tubes with 2 mL of distilled…

Results and Discussion A. Diffusion of selected plant pigments In conducting the diffusion of 4 different kinds of treatments (distilled water, distilled water placed in boiling bath, vegetable oil, heated vegetable oil), the researchers made use of the atsuete and sugar beets. The different kinds of treatments determined how the temperature will affect the color intensity of the atsuete and sugar beets. There were 4 test tubes used in each atsuete and sugar beets with each having a…

The 2% Potassium Ferrocyanide solution was made using 2.5 grams of Potassium Ferrocyanide and 125.0 milliliters of distilled water. The 2% Hydrochloric acid solution was created using 2.5 milliliters of Hydrochloric Acid and 122.5 milliliters of distilled water. The Potassium Ferrocyanide-Hydrochloric Acid Solution was prepared by mixing 125.0 milliliters of 2% Potassium Ferrocyanide and 125.0 milliliters of 2% Hydrochloric Acid. The Mix…

Prepare a chart for recording any observations as you test for the presence of cations in the solution. Set up and label 10 test tubes #1- #10 and place them in order in a test-tube rack. Wash and rinse all of glassware with distilled water. Prepare a hot-water bath in a 250 mL beaker by filling it up to 150 ml and bringing it to a boil. Obtain 2 ml of the solution you want to test and pour it into test tube 1. To test the solution for Pb2+ and Ag+ ions, add 8 drops of 6 M HCl solution to…

This was done by measuring out 2.022g±0.001g of potassium crystals onto a weighing balance and adding 200 cm3 of distilled water using a 250 cm3 graduated cylinder. Then the solution was mixed and dissolved in the 500 cm3 beaker. Three paper towels were then twisted and soaked in the potassium nitrate solution. It was then placed as the salt bridge across the two beakers…

Investigative Question Does sugar or salt effect the freezing point and period of time that water takes to freeze? Hypothesis If you add either sugar or salt to water it will affect the freezing point of the water and will therefor take longer to freeze. Aim The aim of the project is to prove whether or not adding sugar and salt to water will affect the freezing point of the water and will therefor take longer to freeze. Variables Independent Variables: the independent variables are the amount…

mass of sodium carbonate is 2.0 grams and the predicted mass of calcium chloride dihydrate is 2.8 grams. Materials: 2 Beakers (150 mL) Calcium chloride Sodium carbonate Stirring rod Electronic balance Goggles Graduated cylinder (10 mL) Distilled water Funnel Filter paper (12.5 cm) Scoopala Erlenmeyer flask (250 mL) Safety…

Collect the sample to be tested in a 300 mL BOD bottle taking special care to avoid adding air to the liquid being collected. Fill bottle completely and add stopper. 2. Remove bottle stopper and add 1 mL of the manganous sulfate solution at the surface of the liquid. 3. Add 1 mL of the alkaline-potassium iodide-sodium azide solution at the surface of the liquid. 4. Replace the stopper, avoid trapping air bubbles and shake well by inverting the bottle several times. Repeat shaking…

results. First, the larger materials needed to complete the experiment are refrigerator, freezer, stove, one ice box, one scale which could be large or small, one blender, one cooking pot, one large jar or cup, and at least 400 milliliters of distilled water. Next, the smaller supplies begin with at least five coffee filters, one pair of scissors, enough ice cubes to fill the ice box and have at least eight left over, one potato peeler, at least two potatoes, one knife, one gallon plastic bag,…