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

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