× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
smmiller223 smmiller223
wrote...
Posts: 127
Rep: 0 0
11 years ago
What volume of hydrogen gas is obtained when 23.00 g of zinc metal reacts with an excess of dilute sulfuric acid at STP?

Zn(s) + H2SO4(aq) -> ZnSO4(aq) + H2(g)
Read 4779 times
1 Reply

Related Topics

Replies
wrote...
#1
11 years ago
ALWAYS go through moles.

You can solve for volume of gas if you have P and T, if you know moles.

Use no. moles x molar mass = total mass to find moles Zn

Use the equation to infer moles H2

Use PV = nRT, or whatever other method you have been taught, to deduce volume H2

Collect A on test

Go over the problem to make sure you understand why what I've told you works

Collect A on course.
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1207 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 119
  
 226
  
 976
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 431
Previous poll results: Do you trust social media networks with protecting your privacy?