sugar 1.19 g decompose carbon mass

sugar 1.19 g decompose carbon mass

 

 

설탕 1.19 g이 완전 분해될 때 생성되는 탄소의 질량

 

 

If common sugars are heated too strongly,

they char as they decompose into carbon and water vapor.

For example, if sucrose (table sugar) is heated, the reaction is

C12H22O11(s) → 12C(s) + 11H2O(g)

 

What mass of carbon is produced

if 1.19 g of sucrose decomposes completely?

 

---------------------------------------------------

 

C12H22O11의 몰질량 = 342.30 g/mol

1.19 g / (342.30 g/mol) = 0.00348 mol C12H22O11

( 참고 https://ywpop.tistory.com/7738 )

 

 

 

C12H22O11 : C = 1 : 12 계수비(= 몰수비) 이므로,

C12H22O11 : C = 1 : 12 = 0.00348 mol : ? mol

? = 12 × 0.00348 = 0.0418 mol C

 

 

 

0.0418 mol × (12.01 g/mol) = 0.502 g C

 

 

 

한 번에 계산하면,

1.19 / 342.30 × 12 × 12.01 = 0.501 g C

 

 

 

 

[키워드] sucrose 1.19 g decompose carbon mass