Refer to the chemical.equation below to answer questions 16- 202Mg + O, →2MgO16. How many moles of O is needed to form 2 moles of MgO?2.А. 1В. 2С. 3D. 617. How many moles of Mg are needed to give 6 moles of MgO?В. 218. How many moles of oxygen molecules reacted to 2 moles of Mg?В. 319. In any chemical reaction, the quantities that are preserved are theA. 3С.6D. 4A. 6С. 1D. 2A. mass and molesC. number of moles and the volumes.20. To change from moles of a given substance, to moles of the substance sought, one uses theA. balanced equation coefficients for the substancesB. ratio of the molar masses of the two substances.B. mass and number of atomsD. number of atomsC. subscripts in the formulas for the substances.D. all the above

" Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

2Mg + O, 2MgO -> 16. How many moles of O is needed to form 2 moles of MgO? А. 1 В. 2 С.3 D. 6 17. How many moles of Mg are needed to give 6 moles of MgO? А. 3 18. How many moles of А. 6 В. 2 С.6 D. 4 oxygen molecules reacted to 2 moles of Mg? В. 3 С. 1 D. 2 19 In anv ch

2Mg + O, 2MgO -> 16. How many moles of O is needed to form 2 moles of MgO? А. 1 В. 2 С.3 D. 6 17. How many moles of Mg are needed to give 6 moles of MgO? А. 3 18. How many moles of А. 6 В. 2 С.6 D. 4 oxygen molecules reacted to 2 moles of Mg? В. 3 С. 1 D. 2 19 In anv ch

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter16: Spontaneity Of Reaction

Section: Chapter Questions

Problem 92QAP

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