Naoh molarity calculator
[DOC File]1970
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(a) too low; molarity NaOH is lower concentration (through dilution with the drops of distilled water remaining in the buret) than standard leading to a higher volume used in titration, since MBVB = molA and 0.500 g/molA = molar mass, then a larger denominator gives a result that is too small.
[DOC File]Molarity Worksheet #1 - Science Done Wright
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12. A rabbit pours 500.00 mL of a 3.0000 molar solution of sodium hydroxide into a 2.000 liter volumetric flask and fills the flask up with water. What is the new molarity of the solution? 0.50000 L soln x 3.0000 mol NaOH = 1.5000 mol NaOH. 1 L soln. 1.500 mol NaOH = 0.75000 M NaOH. 2 L soln
[DOC File]Acid-Base Titration
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Drain a small amount of NaOH solution so it fills the buret tip and leaves the NaOH at the 0.00mL level of the buret. Make sure there are no air bubbles in the buret tip. 4. Record the actual concentrations of the H3PO4 and NaOH solutions. Set up the calculator and CBL for pH measurement: 1.
[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]Chapter 13 worksheet #1
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[800 g NaOH/(800 g NaOH + 2000 g water)] x 100 = 28.6%. Ppm = mass fraction x 106 = 0.286 x 106 = 2.86 x 105 ppm. Consider a 0.300 M solution of NaOH? Calculate the molality of NaOH. (Assume the density of the solution is the same as the density of pure water.) Assume that you have 1 L of solution:
[DOC File]Comparing Mitosis and Meiosis
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The technician would add 0.5 g NaOH to a container and fill up to the 5 mL mark with solvent. Determine the calculations for the solutions in the Practice Problems section for Part C. Making % Solutions of Differing Mass/Volume Concentrations at the end of this handout. Part D. Making Solutions of Differing Molarity Concentrations
[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 ... This point in the titration curve is equivalent to the first equivalence point in the titration of H2CO3 with NaOH since they result in a solution of HCO3-1 ion. Since Ka1 and Ka2 are significantly different, the pH at the first equivalence point of the ...
[DOCX File]Lucky science
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The molarity of the NaOH is then determined by dividing the number of moles of NaOH needed to reach the equivalence point by the volume, in liters, of NaOH that was added. Use the sample data below to complete the following statistical analysis of the data using a TI83 Graphing Calculator.
[DOC File]Standardizing a Sodium Hydroxide (NaOH) Solution
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Calculate Concentration of NaOH: Remember: There are 1000 mL in a L and 1000 mg in a gram. Report the concentration of NaOH to the class. An average number will be determined to give the most reliable value of NaOH concentration. Do not discard the remaining NaOH – you will use this for the rest of these experiments. Standardizing an HCl Solution
[DOC File]Dilutions Worksheet
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5) If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? 6) If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be? 7) How much 0.05 M HCl solution can be made by diluting 250 mL of 10 M HCl?
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