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A glass of milk has a volume of 100ml. if the milk has a mass of 103g, what is the density of milk?
Can someone please help me I need to A. Write the complete equation for each reaction that produced a precipitate
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 C. How many joules of energy are necessary to melt 46.0 grams of ice? (Use 2.1 J/g.C for the specific heat of ice, and 334.4 J/g for the heat of fusion of water.)
Calculate the [H3O+] and the pH for a buffer that consists of 0.13 M HF and 0.29 M KF. (Ka of HF = 6.8x10^-4)
Considering the given equation 2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O in which The combustion of octane produces carbon dioxide and water , determine the mass of water.
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
The volume of potassium permanganate required to titrate 10 mL of the new hydrogen peroxide (mL):20mL (c) Calculate the concentration of H2O2 from the volume of KMnO4 used and the stoichiometry of the reaction (MW of H2O2 is 34.01).
Calculate the molarity and mole fraction of acetone in a 1.25 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add. molarity ..
How many moles of sucrose are contained within the 100.0 mL that was transferred into the volumetric? If the 1 L volumetric is filled with enough DI water to make the volume of solution 1 L (referred to as being "brought to volume"), what will the ..
When 25mL of a 120mL stock solution containing 2M AlCl3 is diluted to 80mL, how many moles of Al3+ are in the new solution.
what is heat of vaporization of a liquid that has a vapor pressure of 606 torr at 84 degrees celsius and a boiling point of 96.3 degrees celsius at 1 atm?
how many grams of sugar are in 15.0% concentrated solution with a total mass 125 g?
Write a brief procedure that would have been used to carry out the titration. Just include the key steps (terms and measurements). c. What was the average volume of Ca(OH)2 used? d. Calculate the concentration of the HCI sample.
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