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Sam was standardizing her 4mL iron solution (50 ppm concentration) , but did not exactly add 4.0 mL. Instead he added 4.50mL. What was the final concentration of her standardized solution in ppm?
if equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield?
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
Write an equation for the hydrogenation of glyceryl trilinolenate, a fat formed from glycerol and three linolenic acid molecules
The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4) a monoprotic acid with Ka = 3.3 10-4 at 25°C. What is the pH of a solution obtained by dissolving two extra-strength aspirin tablet
Determine the final pH of a solution that is prepared by mixing 25 mL of 0.15 M sodium hydroxide( NaOH )with 20. mL of 0.20 M HA,( a weak acid with Ka = 2.3 x 10-6)?
consider the titration of 39.0 mL of 0.240 M HF with 0.215M NaOH. Calculate the ph at the following points. calculate the ph after the addition of 9.75 mL of base.
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
What is the theoretical yield of bismuth when 346 g of Bi2O3 reacts with excess carbon as shown below?
What is the pH of a buffer that consists of 0.20 M NaH2PO4 and 0.40 M Na2HPO4? Ka = 6.2 × 10-8
the density of aluminum is 2.70 gm/cm3 the density of chromium is 7.19 gm/cm3. if equal masses of Al and Cr are addede to equal vol of H2O in separate graduate cylinder which would have the greatest change in volume
If 5.68 g of Cu was added to 3.18 g of S8, How much copper (I) sulfide would be produced?
calculate the percent yield of C2H5Cl if the reaction produces 188g of C2H5Cl
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