?????? ???????? ???? ?????????? ????????? ???? ??? ??, ??? ?? ?????, ??????? ???, ?????? ???? ????? ?????? ???? ????????? ??????, ??????? ??? ??????? ???? ??? ??. ??????? ???? ????????? ???????? ???? ????, ???, ??????? ??? ??????? ???? ???? ?????? ????????? ??? ????? ??????? ??? ??.

??? ???????? ??? ??? ???????, ??? ????? ??????? ??????, ???????? ??????? ?????? ??? ??? ??, ??? ????? ????? ??? ???? - ????? ???? ????????? ???????? ???? ??? ??, ??? ?????? ???, ????? ?????? 8% ???? ?????? ??? ?? (????? ????? ????? ?????? ???? 47 ?????/???? ??? ??). ??????? ??????, ???????? ??????? ?????? ?????? ??? ??????? ???? 0.005mol/L ?? ????? ??? ???? ???? 0.30mol/L ???? ??? ??. ? ?????? ????? ???? ??????? ???????? ??? ????? ????? ???? ????? ??.