Identify the spectator ions in the following complete ionic equation.
ba
2+
(aq)+2
i
−
(aq)+2
na
+
(aq)+
so
2−
4
(aq)→
baso
4
(s)+2
i
−
(aq)+2
na
+
(aq)

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

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.

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?