# MCQ Chemistry?

5. How many hydrogen atoms are in one mole of ethanol, C2H5OH?

A. 1.00×1023

B. 3.61×1024

C. 5.00

D. 6.00

6. What is the coefficient for H2SO4(aq) when the following equation is balanced, using the

smallest possible integers?

__Mg3N2(s) + __H2SO4(aq) → __MgSO4(aq) + __(NH4)2SO4(aq)

A. 1

B. 3

C. 4

D. 7

A. 1.00×1023

B. 3.61×1024

C. 5.00

D. 6.00

6. What is the coefficient for H2SO4(aq) when the following equation is balanced, using the

smallest possible integers?

__Mg3N2(s) + __H2SO4(aq) → __MgSO4(aq) + __(NH4)2SO4(aq)

A. 1

B. 3

C. 4

D. 7

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