pg67891012345
15.01.2021 •
Chemistry
A 50.0mL flask filled with a solution of hydrogen peroxide has a total mass of 88.5 g. The mass of the flask is 16.5 g. The density of the hydrogen peroxide solution is
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Ответ:
1.44 g/mL
Explanation:
total mass is mass of the flask plus mass of the solution
TM = Flask + H2O2
88.5 = 16.5 + x
x = 72.0 gram
density = mass/volume
H2O2 density = 72/50
= 1.44 g/mL
Ответ:
A
Explanation: