Yes. because equation balances the number of particles.
Explanation:
The structure of Ferrarrisite Ca5(HAs O4)2(AsO4)2
A substance that consist of two elements is one IN WHICH THE ELEMENTS ARE CHEMICALLY COMBINED IN A FIXED PROPORTION.
A compound is a substance that is made up of two or more elements which have undergone chemical reaction together and their individual properties have been lost during the reaction, thus a compound has properties that are different from those of its constituents elements. Compounds are usually combined in specific fixed ratio.<span />
B I think sorry if I’m wrong
