Explanation:
Medieval number one. There you havt it.
A substance that undergoes change during a reaction, usually from coming in contact with another substance
The color it produces is Bright green.
Answer:
Kb = 

Explanation:
For a weak organic base, the formula to find
is given by:

where c is the concentration of base.
Here c= 

Substituting the above values in the formula,we get:

Hence:
Kb = 
