Which atomic particle has about the same mass as a proton but has no electrical charge?

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

0.09 moles of sodium sulfate in 12 ml of solution

Adilute aqueous potassium nitrate solution is