Review sheet: Chemistry question with volume, temperature, pressure, and molar mass. Problem 7 (. Magnesium reacted with hydrochloric acid to produce hydrogen in theequation:Mg(s) + 2HCI(aq) →MgCl,(aq) + H,(g)The hydrogen gas was collected over water in a 5.00-L flask at 25.0°C. The total pressure inthe flask was 760 torr and the pressure of water vapor at this temperature was 24 torr. Whatwas the mass of magnesium, if the molar mass of magnesium is 24.3051 ? Enter your answer inmolthe line provided with correct units and sig. figs.:IAnswer: _mmg-

PubChem CID 313 Structure Find Similar Structures Chemical Safety Laboratory…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Review sheet: Chemistry question with volume, temperature, pressure, and molar mass.

Problem 7 (
. Magnesium reacted with hydrochloric acid to produce hydrogen in the
equation:
Mg(s) + 2HCI(aq) →
MgCl,(aq) + H,(g)
The hydrogen gas was collected over water in a 5.00-L flask at 25.0°C. The total pressure in
the flask was 760 torr and the pressure of water vapor at this temperature was 24 torr. What
was the mass of magnesium, if the molar mass of magnesium is 24.3051 ? Enter your answer in
mol
the line provided with correct units and sig. figs.:
I
Answer: _mmg-

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Step 1

PubChem CID	313
Structure	Find Similar Structures
Chemical Safety	Laboratory Chemical Safety Summary (LCSS) Datasheet
Molecular Formula	HCl or ClH
Synonyms	hydrochloric acid hydrogen chloride 7647-01-0 Muriatic acid Chlorohydric acid More...
Molecular Weight	36.46 g/mol
Dates	Modify 2020-12-12 Create 2004-09-16
Hydrochloric acid, solution is a colorless watery liquid with a sharp, irritating odor. Consists of hydrogen chloride, a gas, dissolved in water. Sinks and mixes with water. Produces irritating vapor. (USCG, 1999) At room temperature, hydrogen chloride is a colorless to slightly yellow, corrosive, nonflammable gas that is heavier than air and has a strong irritating odor. On exposure to air, hydrogen chloride forms dense white corrosive vapors. Hydrogen chloride can be released from volcanoes. Hydrogen chloride has many uses, including cleaning, pickling, electroplating metals, tanning leather, and refining and producing a wide variety of products. Hydrogen chloride can be formed during the burning of many plastics. Upon contact with water, it forms hydrochloric acid. Both hydrogen chloride and hydrochloric acid are corrosive. Hydrochloric acid has many uses. It is used in the production of chlorides, fertilizers, and dyes, in electroplating, and in the photographic, textile, and rubber industries. Hydrochloric acid is corrosive to the eyes, skin, and mucous membranes. Acute (short-term) inhalation exposure may cause eye, nose, and respiratory tract irritation and inflammation and pulmonary edema in humans. Acute oral exposure may cause corrosion of the mucous membranes, esophagus, and stomach and dermal contact may produce severe burns, ulceration, and scarring in humans. Chronic (long-term) occupational exposure to hydrochloric acid has been reported to cause gastritis, chronic bronchitis, dermatitis, and photosensitization in workers. Prolonged exposure to low concentrations may also cause dental discoloration and erosion. EPA has not classified hydrochloric acid for carcinogenicity.

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