Al(H2O)6^3+ H2O ==> Al(H2O)5(OH)^2+ + H3O^+ CO3^2- + HOH ==> HCO3^- + OH^- NH4Ac + HOH ==> NH4OH + HAc (NOTE:) Actually NH4OH doesn't exist; it is NH3 + H2O but I thought it easier to explain what is going on. When I was in school NH4OH was a compound; it has been...
If you take 1.00 mL of the stock soln contg 125 mg/L and dilute it to 250 mL, the concn in the 250 mL flask is 125.0 mg/L x (1/250) = ? mg/L
Red blood cells are about 0.9%. In osmosis, water flows from the less concd soln to the more concd soln.