How many people does 1kg of chocolate serve in the fountain?
This depends on how chocoholic your friends are. However on an average 1kg of chocolate can serve an approximately 20 people. Just remember, the first initial chocolate you pour into the fountain will take about 500gms to 750gms of chocolate to run.
Also, if you have a lot of other sweets, such as a lolly buffet, you can serve more people.