The formula for zinc phosphate is Zn3(PO4)2. What is the formula for cadmium arsenate?
A) Cd4(AsO2)3
B) Cd3(AsO4)2
C) Cd3(AsO3)4
D) Cd2(AsO4)3
E) Cd2(AsO4)4
Question 2
In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl3 or PCl5 forms depends on ________.
A) which allotropic form of phosphorus is used
B) the amount of chlorine present
C) whether the reaction is carried out in the gas phase or in solution
D) whether the chlorine used is molecular or atomic
E) the amount of moisture present