The relative molecular mass of this hydrocarbon was found by mass spectrometry to be 78. Work out its molecular mass (H=1; C=12)

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

What information does a complete ionic equation give that the balanced equation doesn’t show?

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.