Assignment:
Q1.The phosphine that is produced by the reaction of water on calcium phosphide contains an impurity, another gaseous hydride of phosphorus, this hydryde contains 94% phosphorus and 6% hydrogen by mass. Calculate the emphirical formula using the percentages.
Q2. At 136.5C and a pressure of 760 mmHg, 0.22g of the hydride occupies a volume of 111cubic cm.
a. Calculate the volume that the sample would have at STP, assuming that it remains gaseous.
b. Calculate the density of the gaseous hydride of phosphurous at STP in g/litre.
c. Determine the molecular formula of the hydride of phosphorus.
Provide complete and step by step solution for the question and show calculations and use formulas.