Free Printable Test - dział 3 (stechiometria)

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Test - dział 3 (stechiometria)

Total questions: 4

Worksheet time: 7mins

Name

Class

Date

1.

Co to jest mol i liczba avogadra?

(a)

2.

Ile jeden mol zawiera obiektów elementarnych?

a)

6,02214076×10²³

b)

6,024154606×10²³

c)

13,0467407906×10²⁸

d)

106,0246215740776×10²³

3.

$NaCI\ ,\ CH_{4\ \ \ \ }H_2SO_4$ $Jak\ sie\ nazywaja\ 3\ podane\ masy\ czastkowe$

(a)

4.

$78_{6\ \ \ }+\ 45^{6\ }\cdot\ 2^{3\ }=$

a)

13 + 270 + 6 = 298

b)

13 + 270 + 6 = 289

c)

13 + 270 + 6 = 290

d)

13 + 270 + 6 = 292

100 %

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