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2.TEMATS DISPERSĀS SISTĒMAS Temata apraksts ... - DZM

2.TEMATS DISPERSĀS SISTĒMAS Temata apraksts ... - DZM

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s K o L ē n a D a r b a L a p a<br />

Iegūto datu reģistrēšana un apstrāde<br />

titrēšanas dati<br />

Tabula<br />

c(Hcl), mol/l<br />

V(naoH), ml<br />

V(Hcl) titrēšanas<br />

beigās, ml<br />

1. eksperiments 2. eksperiments 3. eksperiments 4. eksperiments<br />

22<br />

K_10_LD_02_p3<br />

V(HCl) vidējais, ml = ..............................................................................................................................................................<br />

Ķīmiskās reakcijas vienādojums: NaOH + HCl → NaCl + H 2 O<br />

Aprēķinu formula: c(HCl) ∙ V(HCl) = c(NaOH) ∙ V(NaOH)<br />

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rezultātu analīze, izvērtēšana un secinājumi<br />

Patiesā NaOH molārā koncentrācija ir .................................................................................................................................<br />

Eksperimentāli iegūtā NaOH molārā koncentrācija ir .......................................................................................................<br />

Salīdzini eksperimentāli iegūto molāro koncentrāciju ar patieso NaOH molāro koncentrāciju!<br />

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Nesakritības gadījumā analizē galvenos kļūdu cēloņus!<br />

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Uzraksti, kādi uzlabojumi būtu nepieciešami precīzāku rezultātu iegūšanai!<br />

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