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As in the equation below: 2HC aq) MgCl2(aq) + H2(a) -> The volume of hydrogen gas collected over water at 45°C and pressure of 988 mmHg is 923 mL. What is the mass of Mg reacted (g) ( The pressure of water at 45°C is 71.88 mm Hg ) Select one: a. 0.788 b. 0.836 С. 0.745 d. 1.04 e. 0.836

As in the equation below: 2HC aq) MgCl2(aq) + H2(a) -> The volume of hydrogen gas collected over water at 45°C and pressure of 988 mmHg is 923 mL. What is the mass of Mg reacted (g) ( The pressure of water at 45°C is 71.88 mm Hg ) Select one: a. 0.788 b. 0.836 С. 0.745 d. 1.04 e. 0.836

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 96QRT: Disilane, Si2Hx, contains 90.28% silicon by mass. Calculate the value of x in this compound.
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As in the equation below: The volume of hydrogen gas collected over water at 45°C and pressure of 988 mmHg is 923 mL. What is the mass of Mg reacted (g) ( The pressure of water at 45°0C is 71.88 mm Hg ) Select one: a. 0.788 b. 0.836 C. 0.745 d. 1.04 e. 0.836
Transcribed Image Text:As in the equation below: The volume of hydrogen gas collected over water at 45°C and pressure of 988 mmHg is 923 mL. What is the mass of Mg reacted (g) ( The pressure of water at 45°0C is 71.88 mm Hg ) Select one: a. 0.788 b. 0.836 C. 0.745 d. 1.04 e. 0.836
How many hydrogen atoms are there in 8.75 g of C,H,NO,? Select one: a. 23 4.79x 10 O b. 4.23x 10f C. 3.22 x 10 d. 23 1.74X 10 e. 22 POCOPHONE SHOT ON POCOPHONE F1
Transcribed Image Text:How many hydrogen atoms are there in 8.75 g of C,H,NO,? Select one: a. 23 4.79x 10 O b. 4.23x 10f C. 3.22 x 10 d. 23 1.74X 10 e. 22 POCOPHONE SHOT ON POCOPHONE F1
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