1) What is the coefficient of O2 whent the equation is balance C4H8O2+O2&gt

___________

a)

Question

1) what is the coefficient of O2 whent the equation is balance

C4H8O2+O2——___________

a)

2

b) 3

c) 5

d) 6

e) 1

2) what is the formula for the compound formed between the following pairs of ions

Li and sulfide

Mg and sulfate

Mg and nitrate

3) A compound with the following composition has a molar mass of 60.10g/mol 39.97% carbon, 13.41% hydrogen, 46.62% nitrogen what is the molecular formula?

4) which one is not a strong acid in aqueous solution

a) HBr

b)HClO4

c) HF

d) HI

e)HCl

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