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KARBOKSYLSYRER
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KARBOKSYLSYRER. SVAKE SYRER. …gir sur smak og gjør maten holdbar. Kjennetegn: COOH -gruppe. METANSYRE ( maursyre ) H COOH Ett C -atom. ETANSYRE ( eddiksyre ) C 2 H 3 COOH. PROPANSYRE C 2 H 5 COOH. EGENSKAPER FOR SYRER. PH- verdi lavere enn 7. Smaker surt.
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KARBOKSYLSYRER
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KARBOKSYLSYRER SVAKE SYRER
Kjennetegn: COOH-gruppe • METANSYRE ( maursyre ) • HCOOH • Ett C -atom
ETANSYRE ( eddiksyre ) • C2H3COOH
PROPANSYRE • C2H5COOH
EGENSKAPER FOR SYRER • PH- verdi lavere enn 7
Motvirker en basesyrer og baser nøytraliserer hverandre • H3O˖ + OH- → 2H2O
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