Top Posters
Since Sunday
10
p
4
h
4
c
4
d
3
3
c
3
t
3
u
3
A
3
B
3
j
3
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
kickergb40 kickergb40
wrote...
Go to Answer
Posts: 165
Rep: 0 0
9 months ago
What mass of sodium cyanide must be added to 250. mL of water in order to obtain a solution having a pH of 10.50?  [Ka(HCN) = 4.9 × 10–10]

▸ 240 g

▸ 0.032 g

▸ 0.059 g

▸ 0.94 g

▸ 0.24 g
Textbook 
Chemistry

Chemistry


Edition: 11th
Authors:
Read 68 times
1 Reply
Replies
Answer verified by a subject expert
slmseuf1105slmseuf1105
wrote...
#1
Posts: 134
Rep: 0 0
9 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

kickergb40 Author
wrote...

9 months ago
Good timing, thanks!
vernonb
wrote...

Yesterday
This site is awesome
Shuqin
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1114 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 887
  
 327
  
 309
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 820
Previous poll results: Who will win the 2024 president election?