[{"question":"L\u00e1tkov\u00fa koncentr\u00e1ciu ozna\u010dujeme","answers":["k","c","cl","kl"],"correct":"c","order":"1"},{"question":"Uve\u010fte vzorec na v\u00fdpo\u010det l\u00e1tkovej koncentr\u00e1cie","answers":["c(A)= n(A)\/V","c(A) = V\/n(A)","c(A) = V . n(A)","c(A) = V + n(A)"],"correct":"c(A)= n(A)\/V","order":"2"},{"question":"Vo vzorci na v\u00fdpo\u010det koncentr\u00e1cie n vyjadruje","answers":["l\u00e1tkov\u00e9 mno\u017estvo","objem roztoku","hmotnos\u0165","v\u00e1hu"],"correct":"l\u00e1tkov\u00e9 mno\u017estvo","order":"3"},{"question":"Vo vzorci na v\u00fdpo\u010det koncentr\u00e1cie V vyjadruje","answers":["l\u00e1tkov\u00e9 mno\u017estvo","objem roztoku","hmotnos\u0165","v\u00e1hu"],"correct":"objem roztoku","order":"4"},{"question":"Jednotkou l\u00e1tkovej koncentr\u00e1cie je","answers":["kg\/mol","mol\/kg","mol\/dm3<\/SUP>","mol\/gram"],"correct":"mol\/dm3<\/SUP>","order":"5"},{"question":"Vypo\u010d\u00edtajte koncentr\u00e1ciu HCl v 2 litroch roztoku ke\u010f n(HCl)= 2,5 mol","answers":["c = 3,3 mol\/dm3<\/SUP>","c = 1,25 mol\/dm3<\/SUP>","c = 2,5 mol\/ dm3<\/SUP>","c = 4 mol\/dm3<\/SUP>"],"correct":"c = 1,25 mol\/dm3<\/SUP>","order":"6"},{"question":"Vypo\u010d\u00edtajte koncentr\u00e1ciu kyseliny s\u00edrovej v roztoku, ak objem roztoku je V= 1,25l a l\u00e1tkov\u00e9 mno\u017estvo kyseliny v roztoku je n = 0,5 mol","answers":["c = 3,3 mol\/dm3<\/SUP>","c = 0,5 mol\/dm3<\/SUP>","c = 0,45 mol\/dm3<\/SUP>","c = 0,4 mol\/dm3<\/SUP>"],"correct":"c = 0,4 mol\/dm3<\/SUP>","order":"7"},{"question":"Vypo\u010d\u00edtajte l\u00e1tkov\u00e9 mno\u017estvo hydroxidu sodn\u00e9ho v roztoku ak V = 0,20 l a koncentr\u00e1cia NaOH v roztoku je 0,2 mol\/dm3<\/SUP>","answers":["n = 0,4 mol","n = 24 mol","n = 0,04 mol","n = 4 mol"],"correct":"n = 0,04 mol","order":"8"},{"question":"Vypo\u010d\u00edtajte l\u00e1tkov\u00e9 mno\u017estvo nezn\u00e1mej l\u00e1tky v roztoku ak V = 1,75 dm3<\/SUP> a c = 0,1 mol\/dm3<\/SUP>","answers":["n = 0,4 mol","n = 0,175 mol","n = 0,123 mol","n = 0,170 mol"],"correct":"n = 0,175 mol","order":"9"},{"question":"Vypo\u010d\u00edtajte l\u00e1tkov\u00e9 mno\u017estvo nezn\u00e1mej l\u00e1tky v roztoku ak V = 2 dm3<\/SUP> a koncentr\u00e1cia nezn\u00e1mej l\u00e1tky je c = 3 mol\/dm3<\/SUP>","answers":["n = 0,5 mol","n = 0,6 mol","n = 5 mol","n = 6 mol"],"correct":"n = 6 mol","order":"10"}]