I believe the answer to this question is true
Because water is able to dissolve in many things and most of this world is made out of water so no country or state doesn't have water, some have infected water with lead in them and others don't, but water can dissolve in salt, that's why they call it salt water and also tapped water where u put some mixtures in them to make it have flavor.
HCO3-
Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), is commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO3. It is a salt composed of a sodium cation (Na+) and a bicarbonate anion (HCO3−). Sodium bicarbonate is a white solid that is crystalline, but often appears as a fine powder.
Probably not, because when you're dead, you lose your 'soul'. Like, if you cut out someones heart and put it in someone's body, then yeah, it could work, after a certain time. However, a zombie's body is completely dead, so all the nerves are dead and such. It's just scientifically impossible.