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In a titration, 25.18 mL of monoprotic weak base HA is neutralized with 25.18 mL of 0.502 M NaOH. Calculate the ratio of [A-] to [HA] after 12.59 mL of 0.502 M NaOH has been added to the initil amount of HA.
B) at the equivalence point, you have a solution of what salt?
When 7 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine, CH3NH2, with 25.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl.
calculate the molar concentration of all the ions remaining in solution after the reaction has taken place ... Cr(III), hydroxide, potassium, nitrate
How many seconds would it take to deposit 0.500 g of Ni metal on an electrode by passing a 3.00 amp current through a solution of Ni2+
isolate two of three compouds given 1,2,4,5- tetrachlorobenze, o-toluic acid and 1,4-dibromobenzene
1.determine the density of the object in gcm3 if an object weighing 1.840 kg has volume of 0.0015m3?2.a man wants to
Water boils at a much higher temperature than all other molecules of similar molecular weight because: it makes very strong hydrogen bonds
A student carefully diluted 25.0mL of 6M NaOH solution in 475mL of distilled water. Calculate the molarity of the diluted solution of base.
consider the reactionno o3 rarr no2 o2which has a rate constant given by k 1.8times10-12 e-1370t cm3 molecules-1 s-1
What is the potassium ion concentration in a 2.5 m k2so4 aqueous solution
Calculate the pH during the titration of 20.0 mL of 0.25 M HBr with 0.25 M KOH after 19.90 mL of the base have been added.
What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 (g/mL) for water.)
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