
Obliczenia stechiometryczne
Authored by Joanna Ślusarczyk
Chemistry
2nd Grade
Used 49+ times

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12 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Wskaż zdania prawdziwe (2) :
masę atomową odczytujemy z układu okresowego
masa molowa liczbowo jest równa masie cząsteczkowej
masę cząsteczkową odczytujemy z układu okresowego
masa atomowa wyrażana jest w gramach
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczba Avogadra ma wartość :
6,02 x 10-23
1,66 x 10 -24
6,02 x 10 23
22,4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Masa bezwzględna atomu węgla wynosi
19,92 g
12 u
12 x 10 -27 kg
19,92 x 10 -24 g
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ile moli cząsteczek wody zawiera 0,9 kg H2O?
50
0,05
16,2
16200
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Masa molowa kwasu siarkowego (VI) wynosi :
98 u
82 g
98 g/mol
82 g/mol
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Masa 8 moli amoniaku (NH3) wynosi :
136 u
136 g
136 g/mol
2,1 g
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ile atomów wodoru znajduje się w trzech molach siarkowodoru (H2S) ?
36,12 x 1023
6,02 x 1023
12,04 x 1023
6
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