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A solution is prepared by dissolving 12.15 grams of nickle (II) nitrate in 175 mL of water. Calculate the mass percent of nickel (II) nitrate in the solution. Showing how you get the answer is most helpful
How many milliliters of a 0.28 M HCl solution are needed to react completely with 8.4 g of zinc to form zinc(II) chloride? Answer in units of mL.
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2 mL of water, a completey homogenous solution was formed. Draw the structures of the species present in water.
A solution is made by dissolving 0.679 mol of nonelectrolyte solute in 871 g of benzene. Calculate the freezing point and boiling point of the solution.
The solubility of CaSO4 in pure water at 0oC is 1.13 gram(s) per liter. What is the value of the solubility product.
Draw the Lewis dot structure for the following molecules. Use VSEPR theory to predict three-dimensional structure. Then predict whether the molecule is polar or non polar.
Calculate acidity of sample and express in % (w/v) CH3COOH. show complete solutions and please don't cite websites or like
Under certain conditions of temperature and pressure, 15.0 mL of a gas "Cb" with a molas mass of 56.0 g/mol effused through a pinhole in 30min.
what do the bond angles of water suggest about the hybridization state of the oxygen atom of water?
From this data, calculate the temperature at which ice is in equilibrium with liquid water.
Picric acid has been used in the leather industry and din etching copper. However, its laboratory use has been restricted bycause it dehydrates on standing and can become shock sensitive. It has an acid dissociation constant of .42. What is the [H..
the maximum velocity of the ejected electrons is 3.45 multiplied by 105 m/s. Calculate the binding energy of electrons to the magnesium surface.
The lethal inhalation dose of sarin for a 200 pound person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
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