Physics, 05.05.2020 17:58 elijahlylejamez45

1.Ce masa de solutie de concentratie 15% se obtine dizolvand 60g zahar in apa?
A. 300gr
B. 400gr
C. 200gr

2.Ce concentratie va avea solutia rezultata prin adaugarea 200g apa peste 400 g solutie de concentratie initiala 24%?

A. 16%
B. 17%
C. 20%

3.Care este volumul solutiei de acid sulfuric 0,5 M obtinuta din 49 g acid sulfuric?

A. 2L
B. 3L
C. 1L

Answers: 1

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1.Ce masa de solutie de concentratie 15% se obtine dizolvand 60g zahar in apa?
A. 300gr
...