jessicap7pg75
09.11.2019 •
Chemistry
What is the length of a pencil in miles if the pencil is 19cm
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Ответ:
You should calculate in this way
m solute= 15g
m solution = 100g
C%= m solute/m solution *100%
C% = 15/100 *100 = 15%
C%= 15%