for my substance was sodium ions. Anions To find the Anions I had to go through a series of tests to find out which Anion was present. From all the tests I found out that the test for bromine halide worked and the test for sulphate also worked. Conclusion In conclusion I found out that the ions present in my sample where sodium‚ sulphate and bromine. The Cation was sodium and the Anions where sulphur and bromine this means that my sample was sodium sulphate or sodium bromide. Evaluation
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Reaction of acids with metal: Acids give hydrogen gas along with respective salt when they react with a metal. Example:- Hydrogen gas and zinc chloride are formed when hydrochloric acid reacts with zinc metal. Hydrogen gas and sodium chloride are formed when hydrochloric acid reacts with sodium metal. Hydrogen gas and iron chloride are formed when hydrochloric acid reacts with iron. Hydrogen gas and zinc sulphate are formed when zinc metal reacts with sulphuric acid Test for
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nitrate in a dropper bottle * 0.1 mol/L Sodium chloride in a dropper bottle * 0.1 mol/L Sodium iodide in a dropper bottle Method: 1. Ensure you are wearing safety glasses 2. Take the petri dishes and label then 1‚ 2‚ 3‚ and 4. 3. Add 20 drops of silver nitrate solution to each petri dish. 4. Add 20 drops of sodium chloride to petri dish one and three. Mix with stirring rod and observe the reaction. 5. Add 20 drops of sodium iodine to petri dishes 2 and 4. Mix with stirring
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Title : Osmosis in Quail’s Eggs Research Question What is the effect of different concentrations of sodium Chloride (NaCl) on the mass of the de-shelled quail’s eggs? Introduction Osmosis is an example of passive transport. Osmosis is defined as the movement of water molecules‚ down its concentration gradient‚ from an area of high water concentration (low solute concentration) to an area of lower water concentration (high solute concentration) through a selectively permeable membrane. Osmosis
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____1.1______g Mass of Filter Paper plus Benzoic Acid after complete drying: ___1.9_______g Mass of Benzoic Acid: _____0.8_____g 4. Separating out the Salt: Mass of Paper Cup plus Sodium Chloride after complete evaporation of water: ___4.7_______g Mass of Sodium Chloride (use Mass of Paper Cup from #3 to calculate): ___2.2_______g Mass (g) Percent in Mixture* Iron filings 1.9 g 1.9/6.8*100= 28% Sand 1.9 g 1.9/6.8*100= 28% Table Salt 2.2 g 2.2/6.8*100=
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Media: 1.0 M sodium acetate 1.0 M sodium acid 1.0 M sulfuric acid 1.0 M sodium hydroxide Ice 0.1 M lead nitrate 0.1 M barium chloride 1.0 M cadmium chloride 1.0 M ammonium chloride potassium chloride 0.1 M potassium chloride 0.1 M copper (II) sulfate 0.1 M trisodium phosphate 0.1 M sodium sulfide 0.1 M sodium nitrate
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(Capsicum annumL.) by Na2SO4 Salinity Sundas Zahoor‚ Hafza Abira Najam‚ Ummah Romana‚ Fatima Asghar Diyyal and Aqsa Nasir University of Gujrat‚ Gujrat‚ Pakistan Abstract: The present research was carried out to evaluate response of chili plants to sodium sulphate (Na 2So 4) salinity. There were three levels of Na2SO4 including control i.e. 0‚ 30and 60ppm. Experiment was laid down in completely randomized design (CRD) with three replicates. The result showed that the plants have no treatment of
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elemental copper Challenge: How good and accurate a chemist are you? Given a solution of Cu(NO3)2‚ what percentage of elemental copper can you recover from the original solution? Materials: 1 M copper (II) nitrate 3 M hydrochloric acid 2 M sodium hydroxide 600 mL beaker 250 or 400 mL beaker Ice water Distilled water Stirring rod Bunsen burner Ring stand Al wire‚ 18 gauge or heavier Graduated cylinder pH paper Watch glass‚ 90 mm Goggles Acetone Procedures: Conversion
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the flame is extinguished. Reaction 5- My hypothesis for reaction 5 is that mozzy zinc in the test tube will make smoke come out of the tube Reaction 6 - My hypothesis for reaction 6 is that when you add the 0.5 M of copper (11) chloride and mix it with the 0.5 M of sodium phosphate they will
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hydrochloric acid it increased 23.7oc and there was steam coming out. 2) Hydrochloric Acid and Sodium Hydroxide: the initial temp was 20oc then when I added Sodium hydroxide it went up to 29℃. But there was no visual reaction. 3) Anhydrous Copper (II) Sulfate and Water: the initial temperature was 21℃ but when we added the water it was 30℃ so it went 9℃ high the visual change was that the water was ocean blue. 4) Sodium Theosulfate And Water: initial temperature is 23℃ when we added the water it was 14℃
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