Combustion Reactions

     

    1) A 65.7 g sample when burned produces 182 g CO2 and 51.7 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C13H18O

(b) C7H9O

(c) C13H18O2

(d) C3H4O8

(e) C10H7O2

 

    2) A 68.2 g sample when burned produces 150. g CO2 and 27.3 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C2H2O

(b) C9H8O4

(c) C9H8O22

(d) C9H4O4

(e) C9H8O2

 

    3) A 48.6 g sample when burned produces 131 g CO2 and 38.9 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C11H16O

(b) C6H8O

(c) C11H16O2

(d) C4H6O11

(e) C11H8O2

 

    4) A 76.8 g sample when burned produces 139 g CO2 and 24.4 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C7H6O17

(b) C7H3O5

(c) C14H12O5

(d) CHO

(e) C7H6O5

 

    5) A 24.6 g sample when burned produces 53.7 g CO2 and 8.45 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C13H5O6

(b) C13H10O3

(c) C2H2O

(d) C13H10O6

(e) C4H3O9

 

    6) A 43.5 g sample when burned produces 105 g CO2 and 30.1 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C10H14O3

(b) C10H14O27

(c) C10H7O3

(d) C20H28O3

(e) C3H5O

 

    7) A 26.7 g sample when burned produces 69.8 g CO2 and 11.9 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C4H3O

(b) C12H10O3

(c) C12H10O29

(d) C12H5O3

(e) C24H20O3

 

    8) A 66.5 g sample when burned produces 171 g CO2 and 25.5 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C4H3O

(b) C11H8O3

(c) C4H3O10

(d) C11H4O3

(e) C22H16O3

 

    9) A 42.6 g sample when burned produces 122 g CO2 and 44.8 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C20H36O2

(b) C5H18O2

(c) C10H18O

(d) CH2O3

(e) C10H9O

 

   10) A 83.5 g sample when burned produces 169.8 g CO2 and 31.6 g H2O. What is the formula of this compound? (The compound consists of C, H, and O.)

(a) C11H10O6

(b) C11H10O27

(c) C11H5O6

(d) C11H10O3

(e) C2H2O

 

 

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