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The pKa values for some weak acids are given Which is the strongest acid of the group? A. pKa=2.5 B. pKa=7 C. pKa=9.2 D. pKa values have nothing to do with acid strength
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A chemist must dilute 37.4 mL of 8.08 μM aqueous mercury(I) chloride (Hg2Cl2) solution until the concentration falls to 2.00 μM. He'll do this by adding distilled water to the solution until it reaches a certain final vo ...
You will have a 500mL solution of salt water. From this you will take 10.0mL and place it on a balance. You find that the 10.0mL solution has a mass of 12.5 g. What is the density of the 500mL of salt water solution in g ...
Suppose 1.7 g of zinc is treated with 6.2 g of pure hydrogen chloride. What is the maximum mass (in g) of hydrogen gas that can be produced?
Why is (NH 4 ) 2 CrO 4 a molecular compound if ionic is metal + nonmetal and molecular is nonmetal+nonmetal? The Cr is a metal and the NH4 and O4 are non metal so it is metal+non metal but why cant it be ionic instead o ...
Silver nitrate has the molecular formula AgNO3. In a 109.0 g sample of silver nitrate, how much of that mass (in g) is from the silver atoms?
Do you notice any trends or can you make any generalizations about where certain types of liquids fall on the pH scale?
2K3PO4(aq)+3MgCl2(aq) → Mg3(PO4)2(s)+6KCl(aq) The molecular equation you determined in Part B is shown above for your convenience. Examine each of the chemical species involved to determine the ions that would be present ...
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?
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