this experiment is to separate sodium chloride/charcoal and sodium chloride/copper(II) chloride mixtures. Equipment requiredBalanceFilter funnel standFilter funnelBunsen‚ tripod and gauze matWatch glassGlass rodBeakers (two 100mL)Graduated cylinder (25 mL)Filter paper (Whatman No. 1—three 12.5 cm sheets)Sodium chloride/charcoal mixture (4 g)Sodium chloride/copper(II) chloride mixture (8 g)Ethanol (25 mL)Distilled waterBoiling chipProcedureA Separation of a Sodium Chloride and Charcoal Mixture#1 Place
Free Laboratory equipment Filter paper Sodium
result from these experimental conditions? Your answer : a. Na+ will be maximally transported. Predict Question 2: Do you think the addition of glucose carriers will affect the transport of sodium or potassium? Your answer : a. Yes‚ it will affect the transport of both ions. Stop & Think Questions: Why did the sodium transport stop before the transport was completed? You correctly answered: c. The ATP was depleted. Why was the equilibrium for the solutes reached earlier? Your answer : a. There was more
Free Ion Sodium chloride Sodium
Chemistry F332 Notes Ions in solids and solutions: Structure of an ionic lattice (Sodium Chloride): * Consists of sodium ions (Na+) surrounded by six chloride ions (Cl-) * Chloride ions also surrounded by six sodium ions. * Held together by attraction of oppositely charged ions. * Giant ionic lattice. * Electrostatic bonds hold lattices together. * Structure is simple cubic. * Some ionic crystals contain water. * Known as water of crystallisation. * These crystals
Premium Chlorine Sodium chloride Ion
Summary of procedures: Add sulfuric acid to the mixture of benzoic and methanol‚ heat up the mixture to 65 oC. Transfer the mixture to the separatory funnel and add ether‚ sodium bicarbonate and saturated sodium chloride-brine solution‚ drain the bottom layer each time and remain ether layer. Decant the solution with calcium chloride‚then evaporate the ether by steam bath and cool down. The product is methyl benzoate. Pour methyl benzoate into cool concentrated sulfuric acid and keep the temperature
Premium Sulfuric acid Ester Ammonia
Introduction Butter is a dairy product made by churning of cream‚ mostly from fresh cow’s milk‚ with the additional of salt (Bylund‚ 1995). Salt (Sodium Chloride) is used as flavoring and preservative as it inhibit the microbial growth. Salt content in butter is limited by legislation in some countries. For example‚ in Thailand‚ the maximum sodium chloride content in butter shall not exceed 4 percent of total butter weight (Thai Ministry of Public Health‚ 2001). Therefore‚ analytical methods are required
Premium Sodium chloride Titration Butter
pipette paper with a black cross on it Chemicals required sodium thiosulfate solution (15 g/dm3) cobalt(II) chloride solution (0.1 mol) iron(III) nitrate solution (0.1 mol) copper(II) sulfate solution (0.1 mol) iron(II) sulfate solution (0.1 mol) What to do 1 Draw a cross on a piece of paper and put it underneath a 100 cm3 measuring cylinder‚ or use the cross from part 2‚ so it can be seen when looking down the cylinder. 2 Pour 50 cm3 of sodium thiosulfate solution into the measuring cylinder. 3 Pour
Premium Carbon dioxide Chemistry Hydrogen
Electrolysis Electrolysis is the process by which ionic substances are broken down into simpler substances using electricity. During electrolysis‚ metals and gases may form at the electrodes. What is electrolysis? Ionic substances contain charged particles called ions. For example‚ lead bromide contains positively charged lead ions and negatively charged bromide ions. Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric
Premium Electrolysis Chlorine Hydrogen
presentation itself‚ it stated the impacts of road salts and deicers‚ the state uses on the roadways during the winter months. The most commonly used road salt is sodium chloride‚ which is also the most inexpensive and readily available. Recently after more than a half century of its widespread use in North America‚ the use of sodium chloride on the roadways have come under scrutiny by the environmental and scientific communities as well as regulators and legislators. The main residual effects of
Premium Sodium chloride Sodium Salt
in this case‚ was 85% phosphoric acid. Dehydration can be defined as any chemical reaction which involves the removal of a water molecule from a substance. During the experiment‚ anhydrous calcium chloride was provided as a drying agent to ensure that pure cyclohexene was obtained‚ calcium chloride works by binding itself to the water molecule thus removing it in the process. After the dehydrating process was completed‚ a few tests using Potassium Permanganate solution and Bromine which were purple
Premium Chemistry Hydrochloric acid Distillation
beakers‚ graduated cylinder‚ drying oven‚ Na2CO3 (sodium carbonate)‚ stir rod‚ scoopula‚ DI water‚ watch glasses‚ filter paper‚ ring stand‚ funnel‚ water samples with CaCl2 (calcium chloride) Procedure: 1. Measure out a 20ml sample of each A‚ B‚ and C hard waters 2. Place samples in separate beakers 3. Add .500g of sodium carbonate to each water sample beaker (absolute maximum concentration is considered to be 180 mmole‚ so this amount of sodium carbonate will allow for such a number‚ if present)
Premium Calcium Water Sodium