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45AஹᵨGdᕡḄq BஹðᜋᵨḄIᮞòCஹóᑴôõḄíî Dஹöᜩøᑴù 11ஹᨵ9gᑖᦪ}20%Ḅî⏚100g,©¡ᣵ2g9ᑺ NᒕXḄî⏚9Ḅ9gᑖᦪC┯ý:^î⏚99gᑖᦪ=100gX20%4-100g-2gX100%>20%ᑖ᪆⏚ᐹᨵᢵឋo Aஹᜧ!20%Bஹ$!20%Cஹ !20%Dஹ'()*12ஹ+,-ᵨ/011.84g/cm3Ḅ:;⏚<ᑴ500g ᑖᦪ120%Ḅ@;⏚ABCᡠ◤:;⏚ḄFGHI1JᑡL(M)ḄNCAஹO◤⌕QRSḄ/011g/cm3BஹO◤QR20%Ḅ@;⏚Ḅ/011.14g/cm3CஹO◤QR/011.84g/cm3Ḅ:;⏚Ḅ ᑖᦪ198%Dஹ⚪VᩩXᐙᑖZ◤⊡ᐙᐸ]ᦪ^13ஹᢥ`aᡠbḄAஹBஹCdeᱥg0hijk120࠷deᱥḄg0ᵫᜧᑮ ᑡpqNCBA,ᢥgឋstuv!᧕ᱥ᧕ஹxஹyஹzফ60࠷u}ᨵ100gSḄAஹBஹCdeᱥḄ⛳20࠷ᨵᨔF᪆ḄNABᐸV᪆NA'ᨔF᪆ḄNCo
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47ḄᓄḄঠঝঞটজঠ ᵨ!"Ḅ#$ᑴ✌ᐜ⌕()*$Ḅ+" 2 .ᑴḄNaCl34ᑖᦪ785%,ᑣ;<⌼ᡂḄ?@ABᨵDEFজGH┯? HJKᡈ3HMKঝN4NaClO┯?;<ᜩQRᦪᨵ?;48©ᵨpHᩭ⊤spH¬7⏚ឋ®pH¬ᜧឋ®pHḄ°±°±£¤²ᵨpH³Z1ஹ´ᑡ¶¤ḄB ¸ᨵ;ឋḄ¹<²º»³¼½©¾ ᵫ8ÀᨵÁᓄÂÃÄ⏚ឋ⏚¾Å©ᢣpH¬785.6Ḅ¾ PH=7Ḅ¹`ឋ AஹÉᱥ3˱<²º»³¼½Bஹᨵ$S ÌᡂḄW!˱`SWCஹᕈ⏚ឋḄ¾ Î⏚¾DஹpH=OḄᓽ!Ä⏚ឋÃ!Äឋ,ᕈ`ឋ2ஹXᓄᱥ<Ó⏚WÌᡂ$S <Ó WÌᡂᑣXB ᓄᱥ<Ó⏚W<Ó W¶ÔÕ;ឋḄ AஹS02BஹK20CஹCuODஹC023ஹ´ᑡ¶¤`ḄB ⏚Ó$W!<Ù`SW⏚34<ÚÛÜ!ݼ3ÞÓ$⏚WßÌà⁐â!C02 Aஹ☢ãä⏗Ìᡂᨵæ⏚ᙠç☢#⌕᪷é`SWAᳮᵨ"ë`Sᨵæ⏚Bஹìᵨí—QÀA1OH 3 ë`SïJḄí⏚Cஹ⏚ஹðâfᙠñ`☄|ËóOô34ÝÚÛõöݼ3Dஹ÷ðâ`Ûᐭø$⏚ßÌKà⁐âùÔúðâ˱ÀᨵC032
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508ஹ}ᨵ;⏚ḄCaC12=>llឋᙠᵨᢣᑺḄᩩOPmᐭḄᑺu'B '◀ᩖDḄᑣuᐭᩖDQ⌕ᩖD◀,ᡠmᑺpq_V£⌕¤=>]lឋAl%ᮞ ¥l;⏚¦§_V¨-ᢣᑺᢣ,c=>iᕈឋ;ClᐭbḄᩖDᩖDNaCl¬Dᨵiᕈឋ¬B;⏚ᡂCaC12,®ḄCaC03=¯ °ᐭᩖD Aஹ%ᮞ Bஹ%ᮞ%a±Cஹ|⏚@Dஹ%ᮞa±9ஹPᑡᔜ´ᱥDᙠpH=lḄ=>lᜧVᐳ¹ºᑮ-⁐=>Ḅu'B 'ᐳ¹ḄᱥD»ஹhᡈὅ H+OH-ஹC032Lᐳ¹¬0H-Mg2+ஹCu2+ஹFe3+ஹNH4—ᐳ¹¬C032—Ca2+ஹBa2+ᐳ¹ÆÇ=>È⏚ឋAlḄNaOHᐳ¹¬Cl⏚<=>u⁐Ḅ AஹBaC12NaOHNaClCaC12BஹMg'N03 2KNO3NaClZnS04CஹCuS04KC1Na2S04NaN03DஹNa2CO3CaC12Al'N03 2KC110ஹPᑡᔜ´=>Ì⌱ᐸÏᑺᓽiḄu'AB 'ᐜᵫÔ⁐Õᱯ×ᩭÙMÚ᪷ÜᓄឋDÝᵨEE*ᔠÞAlCuS04=>u⁐ḄCuS04=>mᐭÌEC=>lß8⁐Ḅ]NaOH,-8Ḅ]MgC12Bl=>EE*ᔠáß8Ḅ8ᔜâQ oAஹCuS04ஹNaOHஹMgC12BஹBa'N03 2ஹNaCO3ஹHN03CஹNa2c03ஹBaC12ஹCa(N03)2DஹNaOHஹH2s04ஹKOH
5111ஹ8ᨵEçᜫé᪗ëḄ-⁐=>ᑖuy3⏚ìí%ᮞ îïEC=>RS'1 ðñḄòÞᨵóôõ'wᑏᑺ÷ø ùúজ|⏚;Na2C03¬ঝC02¬ঞi=ឋ<': ;CuC12¬টÿ Znঠᢣᑺ2ᐸḄᒹ ஹ !"#$%ᔣ'()*Ḅ+,᎔ᐭ'/0ᔜ234ᑖ67Na2C03/04ᨵ>?@AḄB/0CDE⏚4ᨵG⁐IJ@AḄB/0CKLMᮞOPḄQR⌕T4 ⌕ᒹVᘤஹ67ஹX᪵4 ᒹZ >[ஹIJஹ\⁐]^4P"#_⌕ᢣZ“Bᱥb”defᱥb12ஹ ᨵAஹBஹCஹDஹElmn⁐/04opᑖdq⏚ஹrᓄtஹuᓄ┛ஹwuᓄ┛xy⏚t4zop{|}ᑡ4ᑮ %জBC'/0ᔠ4@AG⁐IJঝBD'/0ᔠ4@AG⁐IJঞBE'/0ᔠ4@A>?টC/0n⁐+0\ᑖ᪆ 4ZAஹBஹCஹDஹEḄᓄᑖdNaCKNa2c03ஹCaOHஹCaC12ஹHC1oẚ4¡⚪£¤ঞটẚ4ট¥¦C§¨ឋ4ঞ¥¦BᡈEdq⏚ᡈy⏚t4ᑣC/0Cwuᓄ┛¡⚪¬®zl/0''ᔠᑡ⊤°Z±² 4³´µ ¶·¸¹Z"#4BCஹDᔠ4º@AG⁐IJ4¥¦Bdy⏚t
5213ஹ»¼dᔜᱥbḄ\ᓄᐵ}4uᓄ¾7ᐭ¿ÀḄDq⏚4¹ᑮ/0Auᓄ¾xÁḄᔠᱥÂᐭÃÀḄw>Ä7Å4¹ᑮÆ[B/0AÆ[B±²4¹ᑮ>[Cஹ/0DஹÆ[Ç*ᱥEপᑏZuᓄ¾³Dq⏚±²ḄᓄÊCu0+2HCl=CuC12+H20ফ>[CdH24Æ[EdCuoব/0DÑÒᨵḄ/bdFeC12(ᑖ᪆%7ᐭ¿ÀḄDq⏚4¥¦/0A◀ᨵrᓄ¾4¬ᨵHC1)14ஹ»¼MஹNஹAஹBஹCஹDᔜ⊤±²ᱥᡈAᡂᱥ(Oᙳ´ᶍÞ)4´µMÒᨵNa+,DÂàá^dn⁐Ḅ>[(1)âMஹNḄᓄᑖdNa2c03ஹCa(0H)2(2)ᑏZA-MḄᓄÊ2Na0H+C02=Na2C03+H20(ᑖ᪆%ᐵäẚ4M³CaC12±²4ᑣÑᨵ/0CaC03Aᡂ4å´µMÒᨵNa+,ZMCNa2co3)¤ᓝçqxᓄè1ஹᨵéqḄO/0ᐹᨵᱯìí⁐জÒᨵCu2+ḄDq/0ᕈ Zï⁐4ï⁐ḄE⏚¾/0ঝÒᨵFe2+ḄDq/0ᕈ Zðñ⁐4ðñ⁐ḄE⏚òÁ/0ঞÒᨵFe3+ḄDq/0ᕈ ó⁐4ó⁐ḄrᓄÁ/0ô
532ஹAõöà÷qḄøᵨ!ú⌕ᵨ⌶3ஹüq4d£ýOஹqþOஹqÿ ᧼ᡈ ᑖᑮᩖḄᓄᨔ Ḅ !"#!$!%ᨔ!& $'ᱥ Ḅ)*+!,-."ឋḄ012ᑖ34ஹ6ᡂ8ᨵ:⏚᪷=>?C032-Eᡈ:⏚F᪷=>Ḅ GH1 ⏚IJKᡂLMᓄ:?NOᑮᨵPQRKSPᐭUVWᮞ YWᮞ Z[\E?:⏚ ⍗⏚^._PEᑭᵨb!cᳮefgᱥ6ᡂY'ᔲᨵ:⏚᪷=>ᡈ:⏚F᪷=>igjk'ᵨlcᳮ⌱ᵨ᧕ஹopḄWᮞW?ᡈᜧᳮWE1r ⏚IJᑴtLMᓄ:5ஹvᑖ#IJKḄᩩxKᡂᱥYᨵ ᡈPᡈ^yKᡂ6ஹ{ᑖ|} ᙠ YḄ"#ឋ⊤7ஹᵨᓄḄᓫ)*“ஹ"ஹஹ”NஹᜧG'⁐ᨔ'ᮞ⁐ ஹᜧG" .Hᙠᡈᨵᰦ¡¢Wᮞᤅ¤╆ ¡¢WᮞH¦§ᐹᨵ©ªឋḄ«P1ஹᑡᱥ°ᐭ&±Y²³´&ᱥYµḄ'?BEAஹNaClBஹNaN02CஹNa2C03DஹC2H50H2ஹᑡ¾K¿Y!ÀᱥḄÁÂÃ.ÄÅḄ'?BEAஹ& ' Bஹ |'|CஹÆ⏚'⏚Dஹ 'Mᓄᱥ
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