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By: Badita Alexandru & Anghel Teodor

By: Badita Alexandru & Anghel Teodor. NAOH Hidroxidul de Sodiu. HIDROXIDUL DE SODIU [NaOH] este cunoscut si sub numele de soda caustica Fiind o baza a metalului alcalin este folosit frecvent ca reactiv in laboratoare DATE generale :- raport atomic NA: O : H=1 : 1: 1

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By: Badita Alexandru & Anghel Teodor

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  1. By: BaditaAlexandru & AnghelTeodor

  2. NAOHHidroxidul de Sodiu • HIDROXIDUL DE SODIU [NaOH] este cunoscut si sub numele de soda caustica • Fiind o baza a metalului alcalin este folosit frecvent ca reactiv in laboratoare • DATE generale :-raport atomic NA: O : H=1 : 1: 1 • -raport de masa : NA: O : H= 23 : 16 : 1 • -masamoleculara : M=40 g /mol • - compozitieprocentuala : Na=57,5 % ,O=40 % ,H= 2,5 %

  3. ProprietatiSpecifice • pH puternic alcalin • Punct de fierbere: 1390°C • Densitate relativa(apa=1) 2,13 la 25°C • Punct de topire: 318°C

  4. Proprietatifizice • Solida • Alba • Cristalizata • Casanta • Higroscopica • Foartesolubila in apa

  5. Legaturiionice - NA OH

  6. Utilizarilehidroxidului de sodiu -fabricareasapunului ObtcolorantilorObtcelulozei(lemn) NaOH MercenareabumbaculuiObtaluminiului

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