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[DOC File]Expressing concentration of solution
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Relationship between PPM and Molarity and Normality. PPM = M x M.Wt x 1000. PPM = N x Eq.Wt x 1000. Converting weight/volume (w/v) concentrations to ppm. ppm = 1g/m3 = 1mg/L = 1μg/mL. 1. A solution has a concentration of 1.25g/L. What is its concentration in ppm? Convert the mass in grams to a mass in milligrams: 1.25g = 1.25 x 1000mg = 1250mg
convert % concentration to molarity

[DOC File]REVIEW PROBLEMS – CONCENTRATION
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Concentrated acids and bases have a specific molarity associated with them which is often expressed in terms of wt%. Fill in the table below for the Molarity or wt% of the particular acid or base. Acid and/or Base wt% Molarity (m/L) Density (g/mL) Hydrofluoric …
percentage to molarity

[DOCX File]Name Date - Moravian College
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The following equation was used to convert wt % or molarity to molality or mole fraction: ***** In this unprotected section of the do. cument you can add equations and . charts. ***** In your equations, use %wt for the weight percent of sucrose, MW. s for the molecular weight of sucrose, MW w. for the molecular weight of water, ...
molarity to mass percent

[DOC File]Name_________________________
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M. Wt of C21H22N2O2 = 334 g/mol. 4.000 g 22.4 L----- x ----- = 668 g/mole ( 668 / 334 = 2. 0.134 L 1 mol. 22. 1.43 M What is the final molarity of an aqueous solution if the initial concentration. is 4.46 M given that there are 78.0 mL of this solution and 166.0 ml of water . are added to it?
weight percent to molarity calculator

[DOC File]CONCENTRATION AND DILUTION
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Compute the molecular wt. of glucose (C6H12O6): The use of molarity has a distinct advantage over percentage, because it tells us how many particles of a molecule or ion are present in the solution, and therefore is a true expression of concentration. A 2 M solution is twice as concentrated as a 1 M solution.
acid molarity chart

[DOC File]Brooklyn High School
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M.Wt = 471.1 g/mol. 4.05 g ( 1 mol cpd / 471.1 g) ( 1000 mL soln / 2.00 mol cpd) = 4.30 mL. 9. From the problem above (#8), what would be the concentration of tin (+4) ion? [Sn+4] = 2.00 M. 10. If you took 5.00 ml of the original solution in problem #8 and added 35.0 ml of water to it, what would be the molarity of the final, diluted solution?
convert molarity to liters

[DOC File]IIT JEE Syllabus - KEEEL
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7. 17.4% (wt/vol) K2SO4 solution at 27(C is isotonic to 5.85% (wt/vol) NaCl solution at 27(C. If NaCl is 100% ionized, what is % ionization of K2SO4 in aqueous solution. 8. An aqueous solution of liquid ‘X’ (mol. Wt. 56) 28% by weight has a vapour pressure 150 mm of Hg.
calculate the molarity of naoh

[DOC File]REVIEW PROBLEMS – CONCENTRATION
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Fill in the table below for the Molarity or wt% of the particular acid or base. Acid and/or Base wt% Molarity (m/L) Density (g/mL) Hydrofluoric 49.0 1.30 Acetic 17.4 1.05 Potassium Hydroxide 45.0 1.44 3. Calculate the number of grams of Ca needed to make 100 mL of a 2000 ppb Ca solution. 4. How many mL of a 70.4 wt% HNO3 solution with a density ...
convert molarity to weight percent

[DOC File]WRITE-UP INSTRUCTIONS FOR
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Report the mean %wt/wt ASA and its standard deviation, and the mean ASA/tablet and its standard deviation. Show sample calculations for determining the % wt/wt of ASA per tablet and the mass of ASA/tablet. 3. Attach a graph of pH (y-axis) vs. mL NaOH (x-axis) for your aspirin tablet.
convert % concentration to molarity

[DOC File]Chemistry I-Honors
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5 H2O Molecular Wt. = 249.6 g/mole. ... Using the density of a solution and its percent by weight composition, the molarity can be found. Example problems: What is the molarity of a solution if 44.0 grams of solid sodium carbonate is added to enough water to make 250.0 ml of solution?
percentage to molarity

Wt to molarity