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Aqueous (ascorbic acid, C6H8O 6 (aq) reacts with aqueous diatomic elemental bromine, Br2(aq) according to the following unbalanced equation:
C6H8O6(aq) + Br2 (aq) → C6H6O6(aq) + HBr(aq).
(a) Write the balanced equation, and use it to solve the problems below:
(b) A 251 mL sample of ascorbic acid requires 332 mL of a 0.345 M Br 2 solution for reaction. How many moles of ascorbic acid are in the sample?
(c) How many milligrams of ascorbic acid are in the sample?
(d) What is the molarity of ascorbic acid?
(e) If a person wanted to consume 500. micrograms of ascorbic acid, how many ounces of the acid would that person need to consume?
Final temperature after urea dissolves in water, What is the final temperature of the solution in kJ? The density of water is 4.18 J/g·°C. What is the final temperature in °F? F = °C x 1.8 + 32 (Round your answer to one decimal place)
Calculate the grams of potassium hydrogen phthalate required to react with approximately 25 mL of 0.1 M NaOH
Support your explanation with a specific example. discuss the effectiveness of the supporting sentences in the previously selected paragraph. Provide two (2) examples to support your opinion. From the p paragraph, identify the technique the author..
a sample of gas with a mass of 1.80 g occupies a volume of 921 ml at a pressure of 733 torr and a temperature of 24 c.
a 50.0 g sample of nh42co3 is placed in a closed evacuated flask of 3.00 l and heated to 400 degrees celsius. it
Since there isn't an oxygen or some other electronegative atom in the molecule I'm not sure which peaks are which.
Under certain condition for the reaction A ? B, ?H = 14.2 kJ and ?S = 27 J/K. At what temperature in K is the reaction at equilibrium?
1.60 M solution(78.0 mL ) is diluted to a volume of 278 mL and a 139-mL portion of that solution is diluted using 175 mL of H 2 O ,water determine the final concentration?
Determine the ammonia concentration of an aqueous solution that has a pH of 11.50. The equation for the dissociation of NH3 (Kb = 1.8 x 10-5) is
Benzene and biphenyl are typical by-produdcts of these grignard reactions. Give mechanisms for their formation. IR would not be of much use in differentiating these two byproducts
Compute the mass of acetylsalicylic acid in the aspirin tablet. Find out the percentage of acetylsalicylic acid in the aspirin tablet.
Gas tank holds 42kg of gasoline. When gasoline burns, 147kg og oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
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