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Joan needs a 0.06-M solution of HCl, but only has access to 2.05-M HCl, a 10-mL graduated pipet, and a 25-mL volumetric flask. How much HCl should she measure to create her desired solution?
How many coulombs are required to plate a layer of chromium metal 0.25 mm thick on an auto bumper with a total area of 0.32 m2 from a solution containing CrO42-? The density of chromium metal is 7.20 g/cm2.
a graduated cylinder contains 18.5 rm ml of water. what is the new water level after 30.0 rm g of silver metal with a
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
Explain what is the pH at the equivalence point in the titration of 50mL of 0.240 M HCN with 0.200 M KOH given that Ka for HCN is 4.9 x 10-10
a.draw three simple molecules that illustrate the geometry of each states.b. define reduction with reference to organic
Calculate the mass (in grams) of the product formed when 15.64 g of Cl2 reactant completely reacts. Assume that there is more than enough of the other reactant.
A 50.0g silver object and a 45.0 g gold object are both added to a 55.5 mL of water contained in a graduate cylinder. what is the new water level in the cylinder.
What volume of a concentrated { HCl} solution, which is 36.0% { HCl} by mass and has a density of 1.179 {g/mL}, should be used to make 5.30L of an {HCl} solution with a {pH} of 1.7.
No carbon atom in the structure of Y has more than one oxygen atom bonded to it, and Y can exist in two (and only two) stereoisomers forms. What are the structures of these forms of Y?
Glycerol HOCH2CH(OH)CH2OH is a nonvolatile, water-soluble material. its density is 1.25 g/mL. Predict the vapor pressure of a solution of 2.40 x 10^2 mL of glycerol, in 395 mL of water, at the normal boiling point of water.
Nickel crystallizes with the face-centered cubic unit cell. The radius of a nickel atom is 124pm . Edge Length=351 pm. Calculate the density of a nickel in g/cm3.
How many grams each of the following, per 1000g of water in your car radiation, are needed to give equal protection against freezing down to -10 degrees C? (a) Methyl alcohol, CH3OH (b.p. 65 deg C), (b) ethyl alcohol,
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