��ܛ��ˮ��P(gu��n)��P(gu��n)��

��r(sh��)�g��2009-09-25 10:57 ��(l��i)Դ�� : ��x��4022

ԭˮ��ָδ��(j��ng)�^(gu��)̎��ˮ,��ďV�x��(l��i)�f(shu��),��(du��)��M(j��n)��ˮ̎��ǰ��ˮҲ�Q(ch��ng)��ԓˮ̎��ԭˮ��ˮԴ��̎��ˮ�Q(ch��ng)��ԭˮ,��(�ԁ�(l��i)ˮ/��ˮ/��ˮ��

��ճ��,��҂��(j��ng)��Ҋ(ji��n)��ˮ��þú��(n��i)�ڕ�(hu��)��ˮ��ɡ��@��ʲôԭ��,��ԭ��(l��i)��҂�?n��i)��õ�ˮ�к��в��ٟo(w��)�C(j��)�}�(l��i)��|(zh��),��}��V�}�ȡ��@Щ�}�ڳ��µ�ˮ��۟o(w��)��l(f��)�F(xi��n),��һ��Ӝ��,��в��}��V�}��̼��}�γɳ��(l��i),��o�N�رھ��γ�ˮ��,��҂�ͨ��ˮ��}��V�x�ӵĺ��“Ӳ��”�@��(g��)ָ��(bi��o)��(l��i)��ʾ,��Ӳ��1��ஔ(d��ng)��ÿ��ˮ�к��10��},��8�ȵ�ˮ�Q(ch��ng)��ܛˮ��17�ȵķQ(ch��ng)��Ӳˮ,��8��17��֮�g�ķQ(ch��ng)��ж�Ӳˮ,��ꡢѩˮ,��,��ˮ��ܛˮ,��Ȫˮ��ˮ,��ˮ��Ӳˮ,��
(��I(y��)�ϲ��ý�Ȼ��ͬ�Ę�(bi��o)��(zh��n)��I(y��)��һ��ֻ��Ӳ��<1��ˮ�Q(ch��ng)��ܛˮ,��1-10֮�g��(j��ng)�,��\�y(t��ng)�طQ(ch��ng)��Ӳˮ��Ӳ��>10��ˮҲ��Q(ch��ng)��Ӳˮ)

��Щ�},��V�x�Ӻ��ܸߵ�ˮ�s��Ҋ(ji��n)��ˮ��,��@��?y��n)��@Щ�}��V�x��Ȼ��}��ʽ��,��ǿ��ܵ�,��ڼӟ�r(sh��)��ܳ��(l��i)��

ˮ��Ӳ�Ȍ�(du��)�ճ��Ӱ��Ǻܴ��,��ˮ��Ӳ�ȴ�r(sh��)ϴ�·��,��þӮ��ˮ��Ӳ�Ȳ��m��(y��ng)�ɳ��F(xi��n)ˮ��İY��؃�(n��i)�Y(ji��)ˮ��(hu��)ʹ�صČ�(d��o)��½�,��I(y��)偠t��ˮ��ը�¹�,��ԣ��͹��I(y��)��ˮ��(y��ng)�m��(d��ng)��ˮ��Ӳ��,��ܛˮ��ˮ��׵��XѪ�ܼ��,��Ӳˮ��VȪˮ��׵��I�Y(ji��)ʯ��

ܛ��ˮ��D(zhu��n)�Q��

Ӳˮ�D(zhu��n)�Qܛ��ˮ�Ļ��W(xu��)��ʽ��

�}��ȥ��
CaCO₃+2NaCl=CaCl₂+Na₂CO₃

�V��ȥ��
MgCO₃+2NaCl=MgCl₂+Na₂CO₃

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ�ġ��Ё�(l��i)Դ��(bi��o)ע�e(cu��)�`��ַ��ĺϷ��(qu��n)��,��Ո(q��ng)��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r(sh��)��h��,��x�x,��