锟斤拷一锟斤拷锟絎(xu锟斤拷)锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟絵锟斤拷鸱椒锟斤拷筒锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟叫伙拷锟絎(xu锟斤拷)锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟絵锟斤拷要锟斤拷W(xu锟斤拷)锟斤拷聯(li锟斤拷n)系锟斤拷锟絎(xu锟斤拷)锟絕锟侥岋拷(sh锟斤拷)锟�(y锟斤拷n)知锟絉(sh锟斤拷)锟酵硷拷锟杰ｏ拷锟組(j锟斤拷n)锟斤拷知锟絉(sh锟斤拷)類憋拷锟斤拷锟絯锟狡猴拷锟截組锟斤拷全锟芥、锟斤拷锟杰碉拷思锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)計(j锟斤拷)锟斤拷锟斤拷锟斤拷锟絖锟侥岋拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟酵回达拷锟斤拷锟斤拷膯锟斤拷}锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟节革拷锟叫伙拷锟絎(xu锟斤拷)锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷呖锟斤拷锟�锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟絵锟絩(sh锟斤拷)锟矫凤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟街學(xu锟斤拷)锟斤拷锟斤拷锟絵锟斤拷規(gu锟斤拷)锟斤拷锟斤拷每锟轿匡拷試?y锟斤拷n)蠋锟斤拷W(xu锟斤拷)锟斤拷锟斤拷锟絴锟斤拷锟斤拷牡锟侥�锟絕锟节达拷锟絵锟斤拷規(gu锟斤拷)锟斤拷锟斤拷(d锟斤拷o)锟铰碉拷失锟街ｏ拷锟斤拷锟揭�(gu锟斤拷)锟斤拷锟斤拷锟絵锟紷锟斤拷锟饺烇拷锟斤拷要锟斤拷

锟斤拷锟斤拷锟斤拷1:Na2

锟斤拷锟斤拷S2O3锟缴匡拷锟斤拷锟斤拷Na2SO4锟叫碉拷一锟斤拷(g锟斤拷)O原锟接憋拷一锟斤拷(g锟斤拷)S原锟斤拷取锟斤拷锟斤拷锟缴★拷某同锟絎(xu锟斤拷)锟斤拷類比碉拷思锟斤拷锟組(j锟斤拷n)锟叫岋拷(sh锟斤拷)锟�(y锟斤拷n)探锟斤拷锟斤拷同锟絩(sh锟斤拷)锟斤拷锟絕Na2S2O3锟絚Na2SO4锟侥伙拷锟絎(xu锟斤拷)锟斤拷锟絴(zh锟斤拷)锟角凤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷搿�

锟斤拷锟斤拷锟斤拷锟斤拷锟�:锟斤拷液锟斤拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟絚锟结反锟斤拷(y锟斤拷ng)锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟�:锟給還原锟皆ｏ拷锟斤拷锟杰憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫，锟絆(sh锟斤拷)計(j锟斤拷)锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟叫岋拷(sh锟斤拷)锟�(y锟斤拷n)探锟斤拷锟斤拷锟筋寫锟斤拷锟叫空白ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟結(ji锟斤拷)論锟斤拷Na2

锟斤拷锟斤拷S2O3锟斤拷液锟绞堿锟斤拷锟斤拷锟絚锟结反锟斤拷(y锟斤拷ng)锟斤拷锟斤拷還原锟斤拷锟斤拷锟絚Na2SO4锟侥伙拷锟絎(xu锟斤拷)锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟狡★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷要锟斤拷卮锟斤拷锟�(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟紸(y锟斤拷)锟节的現(xi锟斤拷n)锟斤拷蜁锟斤拷锟斤拷x锟接凤拷锟斤拷式锟斤拷锟角岋拷(du锟斤拷)锟絎(xu锟斤拷)锟斤拷锟斤拷锟絎(xu锟斤拷)知锟絉(sh锟斤拷)锟侥綜锟较匡拷锟斤拷锟斤拷锟节岋拷(sh锟斤拷)锟�(y锟斤拷n)探锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷A.锟統(c锟斤拷)锟斤拷锟斤拷液锟斤拷PH锟侥岋拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟角ｏ拷锟矫诧拷锟斤拷锟斤拷蘸取Na2S2O3锟斤拷液锟斤拷锟絚(di锟斤拷n)锟斤拷pH試锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷試锟斤拷锟绞現(xi锟斤拷n)锟斤拷锟缴�锟絚锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷色锟斤拷锟斤拷(du锟斤拷)锟秸★拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟截达拷r(sh锟斤拷)锟斤拷锟角ｏ拷锟斤拷PH試锟斤拷锟統(c锟斤拷)锟斤拷锟斤拷只锟金方凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟絵锟解。锟斤拷B锟叫凤拷锟斤拷(y锟斤拷ng)锟斤拷锟絰锟接凤拷锟斤拷式锟角ｏ拷S2O32-+2H+==S↓+SO2↑+H2O,锟斤拷锟紸(y锟斤拷)锟节的現(xi锟斤拷n)锟斤拷锟斤拷锟窖給锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷色锟絚锟斤拷B(t锟斤拷i)锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟絩(sh锟斤拷)锟絪锟斤拷锟阶猴拷锟斤拷锟斤拷锟絜(cu锟斤拷)锟絗锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟节岋拷(sh锟斤拷)锟�(y锟斤拷n)探锟斤拷锟节岋拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷

锟斤拷锟斤拷C锟紸(y锟斤拷)锟节岋拷(sh锟斤拷)锟�(y锟斤拷n)锟紽(xi锟斤拷n)锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷水锟斤拷锟絊锟紾色變锟絓锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟絪只锟斤拷锟斤拷锟剿�锟斤拷色锟斤拷锟斤拷(y锟斤拷ng)該锟斤拷锟絕锟届到锟斤拷锟缴�變锟斤拷锟絕锟教沒锟斤拷锟�锟斤拷锟斤拷锟斤拷e(cu锟斤拷)锟絗锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷一支試锟斤拷锟叫凤拷一小锟終锟絶片锟斤拷锟斤拷锟斤拷锟絤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫無色透锟斤拷锟斤拷锟斤拷锟斤拷锟较诧拷系锟給锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟絕锟届到锟斤拷锟斤拷锟叫現(xi锟斤拷n)锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟絕锟斤拷锟酵的岋拷(sh锟斤拷)锟�(y锟斤拷n)锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷r(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷只锟斤拷锟斤拷要锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷a(ch锟斤拷n)锟斤拷锟絫锟斤拷色锟斤拷锟斤拷锟斤拷锟斤拷u變锟斤拷锟斤拷锟斤拷锟斤拷視锟斤拷锟街現(xi锟斤拷n)锟斤拷锟斤拷锟絶锟斤拷锟斤拷锟斤拷變锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷F(xi锟斤拷n)锟侥現(xi锟斤拷n)锟斤拷锟斤拷锟斤拷液锟斤拷锟缴�變锟斤拷锟斤拷锟斤拷要全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷浞达拷锟�(y锟斤拷ng)原锟斤拷锟斤拷Cu+4HNO3(锟斤拷)==Cu(NO3)2+2NO2↑+2H2O,锟斤拷锟結(ji锟斤拷)锟斤拷锟斤拷锟絣(f锟斤拷)锟斤拷锟侥凤拷锟斤拷(y锟斤拷ng)锟斤拷锟矫筹拷锟紸(y锟斤拷)锟节的現(xi锟斤拷n)锟斤拷

锟斤拷锟斤拷1锟斤拷锟絶片锟斤拷锟斤拷a(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷u锟杰斤拷锟斤拷锟斤拷锟斤拷锟绞�锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷液锟缴無色變?y锟斤拷u)锟斤拷{(l锟斤拷n)色锟斤拷

锟斤拷锟斤拷3锟斤拷試锟杰冿拷(n锟斤拷i)锟絘(ch锟斤拷n)锟斤拷锟絫锟斤拷色锟斤拷锟絯锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟絯锟絜锟斤拷u變锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷要全锟斤拷位锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷(y锟斤拷ng)锟斤拷試锟斤拷锟铰诧拷锟斤拷u锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷(zh锟斤拷n)锟絖锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟絵锟絩(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟揭�(gu锟斤拷)锟斤拷锟斤拷锟絵锟斤拷一锟角曪拷锟斤拷锟斤拷锟絰試锟斤拷要規(gu锟斤拷)锟斤拷锟斤拷锟斤拷液锟斤拷锟斤拷锟斤拷锟斤拷膶锟斤拷锟斤拷锟斤拷Q锟斤拷锟津化學(xu锟斤拷)式锟斤拷锟�“锟斤拷液”锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟侥岋拷锟斤拷锟斤拷锟絈锟斤拷也锟斤拷直锟接岋拷锟斤拷锟絎(xu锟斤拷)式锟斤拷锟斤拷锟斤拷锟叫憋拷要锟絩(sh锟斤拷)還锟斤拷指锟斤拷試锟斤拷锟侥濓拷群锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟教程ｏ拷锟斤拷锟斤拷讓锟絜锟剿匡拷锟斤拷锟杰帮拷锟斤拷锟斤拷锟斤拷锟斤拷M(j锟斤拷n)锟叫岋拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷要規(gu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟紽(xi锟斤拷n)锟斤拷要锟斤拷全锟斤拷锟斤拷锟斤拷(zh锟斤拷n)锟絖锟斤拷锟叫時(sh锟斤拷)锟斤拷要指锟斤拷锟斤拷處锟斤拷

锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

       锟斤拷一锟斤拷锟絎(xu锟斤拷)锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟絉锟斤拷

锟斤拷锟斤拷锟斤拷锟铰革拷一锟紸(y锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷一锟斤拷锟絎(xu锟斤拷)锟斤拷么锟絎(xu锟斤拷)锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟戒、志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號(h锟斤拷o)