Answer:
Explanation:
The formula of calcium nitride is Ca₃P₂.
The masses of each element are:

So, there are 61.94 g of P in 182.18 g of Ca₃P₂.
In 500 g of Ca₃P₂:

There are
in 500.0 g of Ca₃P₂.
True due to the fact that eight electrons are what applies directly to the octet rule
In Fisher esterification, sulfuric acid is used as a catalyst and its function is to convert the carboxylic compound in its conjugate acid. This favours the nucleophilic attack of the alcohol. To act as a catalyst you need a strong acid, therefore sulphuric acid is suitable for this kind of reaction.