Question

Metallic zinc and carbon monoxide are produced when zinc oxide is heated with carbon. How many gram of carbon will be required to produce 31.785g of zinc and 14.000g of carbon monoxide from 40.685g of zinc oxide? How many mole of carbon monoxide is produced in the reaction? (C=12, O=16)

Answer 1

Answer:

ZnO + C(12)   →   CO + Zn(65)

65g of Zn is produced from 12g of carbon

so,31.785g of Zn is produced from 12×31.785/65=12×0.489=5.868g of carbon

Now, 14g of CO is produced from 40.685g of ZnO

No of mole of CO = 14/28= 0.5                          (where CO =12+16=28=1 mole)

Explanation: