3. During the combustion of 5.00 g of Butane in the presence of oxygen, 4.01 g of carbon
dioxide and 3.55 g of water is given off. How much oxygen was needed to totally
combust the butane?

4. What mass of Boron sulfide must be processed with 2.1 X 10 4g of carbon to yield
3.11 X 10 4
g of Boron and 1.47 X 10 5
g of carbon sulfide ?

5. Iron combines with 4.00

Question

3. During the combustion of 5.00 g of Butane in the presence of oxygen, 4.01 g of carbon 
dioxide and 3.55 g of water is given off. How much oxygen was needed to totally 
combust the butane? 
 
4. What mass of Boron sulfide must be processed with 2.1 X 10 4g of carbon to yield 
3.11 X 10 4
 g of Boron and 1.47 X 10 5
 g of carbon sulfide ? 
 
5. Iron combines with 4.00

mertsj · Answer

Did you write the balanced equation yet?

anonymous · Answer

the way i was showed 4.01g + 3.55 g  than subtract 5.00g that's how I was able to do 1 & 2

mertsj · Answer

ok.  That's good.