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Senior HighSemua
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่ชฐใ็ปๅใฎๅ้กใฎ่งฃใๆนๆใใฆ้ ใใใใงใ๐โโ๏ธ pHใฎๅ้กใงใ
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ใตใชใใซ้ ธใกใใซ ใปๆถฒๆง ใป็ญ้ ธๆฐด็ด ใใใชใฆใ ใจๅๅฟใใใใจใฉใใชใใ ใขใปใใซใตใชใใซ้ ธ ใปๆถฒๆง ใป็ญ้ ธๆฐด็ด ใใใชใฆใ ใจๅๅฟใใใใจใฉใใชใใ ใๆใใฆ้ ใใใใงใ!!
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็ญใใจๅๅญฆๅๅฟๅผใๆใใฆๆฌฒใใใงใ๐โโ๏ธ
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(3)ใฎๅ้กใฎ่จ็ฎๅผใซใคใใฆใฉใใใฃใฆใใฎใใใซใชใฃใใฎใงใใใใ๏ผ ใใใจใฆ็ด ๆบถๆถฒใฎๆฟๅบฆใ1.0ร10^-4ใ ใฃใใใใฎๅผใฏใฉใใชใตใใซๅคๅใใพใใ๏ผ
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ใฉใใใฃใฆๅงๅใๅบใใฎใใๅใใใพใใใ ใใใๆนใใใใใ้กใใใพใใ
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20็ชๅๅญฆใฎๆฒธ็นใฎๅ้กใชใฎใงใใใใชใใงใใใชใใฎใใๅใใใพใใใใใใๆนๆใใฆไธใใใใใใใใ้กใใใพใใ
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้ซๆ กใๅๅญฆๅบ็คใ้ ธๅ้ๅ 2Cr3+ใฎ้ป่ทใฏ2ร3ใง6ใงใใฃใฆใใพใใ๏ผ
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