Multiple Choice
Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg (s) + O2 (g) → 2MgO (s)
When 5.50 g of magnesium burns,the theoretical yield of magnesium oxide is ________ g.
A) 5.50
B) 9.12
C) 0.226
D) 4.56
E) 18.2
Correct Answer:

Verified
Correct Answer:
Verified
Q168: What is the empirical formula of a
Q169: How many moles of carbon monoxide are
Q170: What is the formula weight of lead
Q171: The molecular weight of the acetic acid
Q172: The balanced equation for the decomposition of
Q174: A sample of C<sub>3</sub>H<sub>8</sub>O that contains 200
Q175: Complete and balance the following reaction,given that
Q176: A sample of CH<sub>2</sub>F<sub>2</sub> with a mass
Q177: The formula weight of a substance is
Q178: Under appropriate conditions,nitrogen and hydrogen undergo a