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Lithopone is a brilliant white pigment used in water based interior paint. If a mixture of BaSO4 and ZnS produced by the reaction
BaS +ZnSO4--> ZnS+ BaSO4
How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?
A bottle containing 330 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
If a reaction mixture initially contains 443 of and 391 of , what is the mole fraction of when equilibrium is reached.
Calculate the molality of a sucrose (C12H22O11) solution containing 14.3 g of sucrose in 676 g of water.
calculate the number of NaCl formula units formed when 190 Na atoms and 98 Cl2 molecules react? 2Na + Cl2 → 2NaCl
Given a solution of .1 M HEPES in its fully protonated form, and ready access to .1M HCl, .1M NaOH, and distilled water. Describe the preparation of 1L of .025 M HEPES buffer solution, pH 7.8?
Given the tabulated data, what is the lattice energy of crystalline calcium chloride?
how many liters of oxygen will be produced if 162 grams of aluminum chlorate is decomposed
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
What type of chemical reaction is the following?
Which of the following is not the correct chemical formula for the compound named?
Assume an average minimum daily requirement for calcium is 1150 mg. Calculate what percentage of your daily requirements could be met by drinking 1.0L of your local water.
Evaluate the energy of an electron excited from a hydrogen atom using Bohr's model. Determine the maximum wavelength of energy needed to observe a photoelectric effect for potassium.
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