Mg ml to molarity calculator
[DOC File]DILUTIONS AND STANDARDS
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Since the stock standard is expressed in mg/mL and the working standard is expressed in mg/dL, we must first convert the concentration of them both to the same units. Stock standard = 10 mg/mL x 100 mL/1dL = 1,000 mg/dL. 2. To determine the dilution that must be made to yield a working standard of the desired concentration, we use the following ...
[DOC File]ppm worksheet
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PARTS PER MILLION WORKSHEET (key) 1. 25 grams of a chemical is dissolved in 75 grams of water. a. What is the concentration of the chemical in parts per hundred (pph)?
[DOC File]Comparing Mitosis and Meiosis
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Measurement Conversion 75.34 mg g 4.3 mL μL 440.3 mL L 3.33 g μg 0.34 g mg 34.0 g kg 0.004 L mL 80.34 μL mL 34 mg μg 0.25 g ng Part B. Making Solutions of Differing Mass/Volume Concentrations. Describe how you would prepare 25 mL of a NaCl solution at a concentration of 2.5 g/mL.
[DOC File]AP Chemistry Lab Manual - MOLEBUS (ALLCHEM)
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Add 1 mL of 6M ammonia to the precipitate and agitate. Add 2 mL 6M hydrochloric acid to the solution from 3. Test with litmus to be sure the solution is acidic. If not acidic, add 1 more mL of the acid. Add a tiny bit of calcium oxide to distilled water. Test with litmus. Put 10 mL of 0.1M potassium iodide solution in a 50 mL …
[DOC File]Calculations
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g/dL is also g/100 mL (dL is a deciliter or 100 mL) mg/mL is the same as g/L or g/ L % (v/v) is mL/100 mL. % (w/w) is g/100 g. To interconvert between concentration expressed in molarity and weight per volume units you need to use the molecular weight. Anhydrous …
[DOC File]Titration of Aspirin
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Show your calculations for the molarity of the NaOH from each of the three standardizations. Show your calculation for the average molarity of the NaOH based on the standardization. Show your calculations for the mass of aspirin that reacted in each of the two trials based on the amount of NaOH used.
[DOC File]Acid-Base Titration
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Calculate the molarity (M) of HCl used in the titration of a 0.2239-g sample of sodium ... Mass accurately (to within 0.1 mg) a 0.20 to 0.22-g sample of Na2CO3 into a plastic weighing dish. [Note: if the sample is too large it may require more than 50 mL of HCl titrant, making it necessary to refill the buret and thereby introducing two more ...
[DOCX File]k12s.phast.umass.edu
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The analyst dissolves 725 mg of the rice in 5.0 mL of concentrated acid and then dilutes the solution to a final volume of 20.0 mL. When analyzed by ICP-MS, the solution concentration is found to be 25 µg L-1.
[DOC File]Chemistry 101L - Boyd County Public Schools
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F. Cut a piece of Mg ribbon about 3 mm long and place into a small test tube. Place 1 mL (about 1 cm deep) of 3 M hydrochloric acid in another small test tube. Mix the two and observe any change. Hydrochloric acid is corrosive and causes severe burns. If it gets on your skin or in your eyes, you must wash it off with large amounts of water.
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