Methane and oxygen react to form carbon dioxide and water. What ...

[sarasara]

Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 0.80 g of methane reacts with 3.2 g of oxygen to produce 2.2 g of carbon dioxide?
 
  A) 1.8 g
  B) 2.2 g
  C) 3.7 g
  D) 4.0 g

Question 2

Which of the following sets is comprised exclusively of covalent binary compounds?
 
  A) H2O, SiO2, NO
  B) CoCl2, CaCO3, AlPO4
  C) Co(H2PO4)2, KCl, PCl3
  D) KI, Al2O3, Li2S

[Swizqar]

Answer to Question 1

A

Answer to Question 2

A

[sarasara]

Thanks for the timely response, appreciate it

[isabelt_18]

Excellent