Mole concept !

  • Chemistry
  • Thread starter draotic
  • Start date
  • #1
52
0

Homework Statement


if 20.0 g of dihydrogen is reacted with 20.0 g of dioxygen , how many grams of water is produced?


Homework Equations





The Attempt at a Solution


balancing
2H2 + O2 = 2H20
now 2 mole h2 gives 2mole H2O
so 20/2 moles of H2 will give 10 moles H2O
10 x 18 = 180 g
............
am i right?
 

Answers and Replies

  • #2
Borek
Mentor
28,830
3,350
You start with 20g + 20g = 40g of reactants, is it possible to produce 180g of water?
 
  • #3
52
0
You start with 20g + 20g = 40g of reactants, is it possible to produce 180g of water?

the nhow do i do it?
 
  • #4
Borek
Mentor
28,830
3,350
What if you start calculations with oxygen?
 
  • #5
3,816
92
Start by finding out the limiting reagent. :)
 
  • #6
Borek
Mentor
28,830
3,350
Sigh. I did my best to not use this term as a hint.
 
  • #7
3,816
92
Sigh. I did my best to not use this term as a hint.

Sorry Borek. :)
 

Related Threads on Mole concept !

  • Last Post
Replies
2
Views
4K
  • Last Post
Replies
4
Views
2K
  • Last Post
Replies
5
Views
2K
  • Last Post
Replies
2
Views
953
  • Last Post
Replies
10
Views
1K
  • Last Post
Replies
3
Views
653
  • Last Post
Replies
8
Views
4K
Replies
2
Views
7K
Replies
6
Views
34K
Top