Anal0387: percent water in a hydrate
3. the mass of a crucible and a hydrated salt was found to be 21.447 g. the mass of the crucible and the
anhydrous salt was 20.070 g. the mass of the crucible was 17.985 g.
(1) calculate the mass of the hydrate heated.

What is the number of moles in 15.0 g ash3?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?