I Student weighed .038 g of magnesium to produce molecular hydrogen gas collected over water at 24°C and 746 mmHg atmospheric pressure. if the volume of the collected gas was 48.3 mL what is the value of the gas constant are determined by the student assume that the percent yield is 100% and the percent error (when compared with the true value R= .08206 L•atm/K•mol)? A student weighed 0 .038 g ol magnesium to produce molecular hydrogen gas collected overwater at 24.0 °C and 746 mm I lg atmospheric pressure. If the volume of the collected gas was48.3 ml., what is the value of the gas constant, R, determined by the student? Assume that thepercent yieldl is 100%. What is the % error (when compared with the true value, R = 0.08206L•aum/K•mol)?

First, the moles of magnesium is calculated from given mass.

Answered: A student weighed 0 .038 g ol magnesium…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter5: Gases

Section: Chapter Questions

Problem 37QAP: Hydrogen cyanide (HCN) is a poisonous gas. It can be formed by the following reaction:...

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I Student weighed .038 g of magnesium to produce molecular hydrogen gas collected over water at 24°C and 746 mmHg atmospheric pressure. if the volume of the collected gas was 48.3 mL what is the value of the gas constant are determined by the student assume that the percent yield is 100% and the percent error (when compared with the true value R= .08206 L•atm/K•mol)?

A student weighed 0 .038 g ol magnesium to produce molecular hydrogen gas collected over
water at 24.0 °C and 746 mm I lg atmospheric pressure. If the volume of the collected gas was
48.3 ml., what is the value of the gas constant, R, determined by the student? Assume that the
percent yieldl is 100%. What is the % error (when compared with the true value, R = 0.08206
L•aum/K•mol)?

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