Can someone explain how to do this:
1. What is the missing number in the molecule CH?Br

2.What is the proton donor?
NH3 (aq) + H2O (l) ⇔ NH4+ (aq) + OH- (aq)

Question

Can someone explain how to do this: 
1. What is the missing number in the molecule CH?Br

2.What is the proton donor? 
NH3 (aq) + H2O (l) ⇔ NH4+ (aq) + OH- (aq)

anonymous · Answer

|dw:1409773546159:dw| 3.) How many hydrogens are in the structure?

australopithecus · Answer

Each carbon is denoted as a point, remember also each carbon unless charged has 4 bonds, Hydrogens not attached to functional groups are normally note included

australopithecus · Answer

for example

|dw:1409773747229:dw|

australopithecus · Answer

https://www.youtube.com/watch?v=RP6AS7XVIC8 watch this video

australopithecus · Answer

or this guide http://www.chemguide.co.uk/basicorg/conventions/draw.html