Federal regulations set an upper limit of 50 parts per million (ppm) of NH3 in the air in a work environment [that is, 50 molecules of NH3(g) for every million molecules in the air]. Air from a manufacturing operation was drawn through a solution containing 1.00 x 102 mL of 0.0105 M HCI. The NH3 reacts with HCl according to: NH3(aq) + HCI(aq) NH4CI(aq) After drawing air through the acid solution for 10.0 min at a rate of 10.0 L/min, the acid was titrated. The remaining acid needed 13.1 mL of 0.0588 M NaOH to reach the equivalence point. (a) How many grams of NH3 were drawn into the acid solution? (b) How many ppm of NH3 were in the air? (Air has a density of 1.20 g/L and an average molar mass of 29.0 g/mol under the conditions of the experiment.) (c) Is this manufacturer in compliance with regulations?
Federal regulations set an upper limit of 50 parts per million (ppm) of NH3 in the air in a work environment [that is, 50 molecules of NH3(g) for every million molecules in the air]. Air from a manufacturing operation was drawn through a solution containing 1.00 x 102 mL of 0.0105 M HCI. The NH3 reacts with HCl according to: NH3(aq) + HCI(aq) NH4CI(aq) After drawing air through the acid solution for 10.0 min at a rate of 10.0 L/min, the acid was titrated. The remaining acid needed 13.1 mL of 0.0588 M NaOH to reach the equivalence point. (a) How many grams of NH3 were drawn into the acid solution? (b) How many ppm of NH3 were in the air? (Air has a density of 1.20 g/L and an average molar mass of 29.0 g/mol under the conditions of the experiment.) (c) Is this manufacturer in compliance with regulations?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.11: Stoichiometry In Aqueous Solutions
Problem 3.28E: Sodium chloride is used in intravenous solutions for medical applications. The NaCl concentration in...
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![4.115 Federal regulations set an upper limit of 50 parts per million
(ppm) of NH3 in the air in a work environment [that is, 50
molecules of NH3(8) for every million molecules in the air].
Air from a manufacturing operation was drawn through a
solution containing 1.00 x 102 mL of 0.0105 M HCI. The
NH3 reacts with HCl according to:
NH3(aq) + HCl(aq) ·
NH,CI(aq)
After drawing air through the acid solution for 10.0 min at a
rate of 10.0 L/min, the acid was titrated. The remaining acid
needed 13.1 mL of 0.0588 M NaOH to reach the equivalence
point. (a) How many grams of NH3 were drawn into the
acid solution? (b) How many ppm of NH3 were in the air?
(Air has a density of 1.20 g/L and an average molar mass of
29.0 g/mol under the conditions of the experiment.) (c) Is
this manufacturer in compliance with regulations?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2779870f-717a-447b-9001-a7e3ec47ec3e%2F150d075a-2a39-416e-9f66-b40fc9dde8a1%2Fz9302x_processed.png&w=3840&q=75)
Transcribed Image Text:4.115 Federal regulations set an upper limit of 50 parts per million
(ppm) of NH3 in the air in a work environment [that is, 50
molecules of NH3(8) for every million molecules in the air].
Air from a manufacturing operation was drawn through a
solution containing 1.00 x 102 mL of 0.0105 M HCI. The
NH3 reacts with HCl according to:
NH3(aq) + HCl(aq) ·
NH,CI(aq)
After drawing air through the acid solution for 10.0 min at a
rate of 10.0 L/min, the acid was titrated. The remaining acid
needed 13.1 mL of 0.0588 M NaOH to reach the equivalence
point. (a) How many grams of NH3 were drawn into the
acid solution? (b) How many ppm of NH3 were in the air?
(Air has a density of 1.20 g/L and an average molar mass of
29.0 g/mol under the conditions of the experiment.) (c) Is
this manufacturer in compliance with regulations?
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