What type of mixture is 100 ml of water with a little bit of salt?

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: