Chem problems?
1) A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11g/cm3. The molarity of the solution is _____?
2) Calculate the molality of C2H5OH (ethanol) in a water solution that is prepared by mixing 50.0 mL of ethanol with 100.0 mL of water at 20 degrees Celcius. The density of the ethanol is 0.789 g/mL at 20 degrees Celsius.
Answer:
im not good at chemistry.
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2) Calculate the molality of C2H5OH (ethanol) in a water solution that is prepared by mixing 50.0 mL of ethanol with 100.0 mL of water at 20 degrees Celcius. The density of the ethanol is 0.789 g/mL at 20 degrees Celsius.
Answer:
im not good at chemistry.
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