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It requires 41.16mL of a particular NaOH solution to bring 1.0054 g of KHP (204.24 g/mol) to the bromocresol green endpoint. a 0.8054 g sample of an unkown monoprotic acid requires 44.30 mL of the same solution to reach the same endpoint. what is the molar mass of the unknown monoprotic acid?
heat is removed from 200.0 g of water with an initial temperature of 30.0°C? The specific heat of water is 4.184 J/gdeg.
A mixture of nitrogen and liquid ethanol in a closed constant-volume container has a partial pressure of 101 mm Hg of nitrogen and 66.2 mmHg ethanol at 27 C (300 K)
An aqueous solution i s10.0% glucose by mass and has a density of 1.039g/ml at 20 degree Celsius. Calculate the freezing point and the normal boiling point of this solution
Draw one eclipsed and one staggered conformation of 2,3-dimethylpentane using: Newman projections that sights down the C2-C3 bond, Sawhorse projections that sights down
If you had a stoppered flask with basic luminol and then opened it to the air, why would the chemiluminescence be more pronounced than with the flask stoppered? Why is the chemiluminescence even more pronounced with the ferricyanide/hydrogen perox..
Please explain the following technical terms used in mass spectrometry: a) Molecular ion,
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
A sample of solid having a density of 4.88 g/cm3 had an apparent mass of 16.0886. The density of the balance weights is 8.00 g/cm3. Calculate the true mass of the object.
how many grams of bromine are required to react with 37.4 grams of aluminum chloride?
Volume increases isothermally? Two pure gas species are mixed at constant temperature? Temperature increases isobarically? Pressure increases isothermally?
Draw the molecular orbitals for the following molecules CH20. Label the hybridization of all non-hydrogen atoms
The mass of an ice cube is 18.7 g, and its initial tempature is -14.4 degree C. The water resulting from the melted ice reaches the tempature of your skin,
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