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How many grams of ammonium sulfate are needed to make 0.3500 L solution at a concentration of 5.000M.
A student has invented a new temperature scale, the Zuban scale ,In common with the Celsius, Kelvin and Fahrenheit scales, it is a linear scale.
A solution is prepared by adding 1.10 g of solid NaCl to 50.0 mL of 0.100 M CaCl_2. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
Be sure to fully explain how your experiment and the resulting data would allow you to determine the wavelength of maximum absorbance for the FeSCN2+ complex.
find the molarity of an unknown NaOH solution if 0.5536 g of the KHP required 37.00 mL of a NaOH solution.
A balloon filled with helium gas has a volume of 500 mL at pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
Calculate the volume of .100 M NaOH needed to titrate 25 mL of store bought vinegar
How many grams of diphenyl (C 12H10) must be dissolved in 655 g of benzene to lower the freezing point by 3 .20ºC.
A solution has a volume of 2.0 L and contains 36.0 g of glucose (C6H12O6). If the molar mass of glucose is 180 g/mol, what is the molarity of the solution.
After losing the electron, how many protons will Na have in its nucleus? Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine
lemon juice has a ph of about 2.5. Assuming that the acidity of lemon juice is due solely to citric acid, that citric acid is a monoprotic acid,
If 0.600 gram of zinc is used, what is the amount of zinc chloride that is produced in the above reaction?
A gas expands and does P-V work on the surroundings equal to 343 J. At the same time, it absorbs 159 J of heat from the surroundings. Calculate the change in energy of the gas.
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