What mass of salt is contained in 250.0 ml of a saline solution that is 18.0% salt by mass? the density of the solution is 1.13 g/ml.

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12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?