QUESTION 16 Quartz, a naturally occuring crystalline mineral, is composed of silicon dioxide. How many grams of oxygen are contained in 30.6 grams of quartz? QUESTION 17 When magnesium is heated in air, it reacts with the oxygen gas to form magnesium oxide. If the mass of the magnesium solid increases by 0.179 g, what mass of magnesium metal should have reacted? 9.

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter11: Stoichiometry
Section: Chapter Questions
Problem 109A: When 9.59 g of a certain vanadium oxide is heated in the presence of hydrogen, and a new oxide of...
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QUESTION 16
Quartz, a naturally occuring crystalline mineral, is composed of silicon dioxide. How many grams of oxygen are
contained in 30.6 grams of quartz?
QUESTION 17
When magnesium is heated in air, it reacts with the oxygen gas to form magnesium oxide. If the mass of the
magnesium solid increases by 0.179 g, what mass of magnesium metal should have reacted?
Transcribed Image Text:QUESTION 16 Quartz, a naturally occuring crystalline mineral, is composed of silicon dioxide. How many grams of oxygen are contained in 30.6 grams of quartz? QUESTION 17 When magnesium is heated in air, it reacts with the oxygen gas to form magnesium oxide. If the mass of the magnesium solid increases by 0.179 g, what mass of magnesium metal should have reacted?
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