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

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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