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The Ka of HNO2 is 7.1 x 10^-4. Use this to find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of 28.5 mL of 0.0380 M HNO2.
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and there is less air pressure pushing down on you when you are on a mountain.
Distilled water is mixed in one test tube with 1) a soap made of NaOH and canola oil and 2) a separate test tube with just laundry detergent
what is the volume in milliliters of 20.0 g of acetone if the density of acetone is .791 g/ml?
Mercury (I) cyanide is a severely toxic substance with a Ksp of 3.8x10^-40. If the following solutions are combined, what is the final concentration of cyanide? i. 500. mL of a 0.47 M Hg2(NO3)2 solution; ii. 500. mL of a 0.77 M NaCN solution
Which molecule: water or ethanol is "more" polar? (By "more polar" I mean which molecule will have a larger net dipole moment
what is the enthalpy of the reaction 2X(aq)+Y(l) ? X2Y(aq) given that the solution has the same heat capacity as water?
write a 200 word essay in any style and identify and discuss three key features associated with the combustion of
What volume of 1 M NaOH would you need to add to 200 mL of 0.2 M acetic acid solution to achieve a pH of 7.0 (the pKa of acetic acid is 4.76)? A)0.23 mL B)6.952 mL C)173.8 mL D)39.77 mL
a student doing this experiment was puzzled by the fact that while each of the individual solutions being used is
Calculate the maximum numbers of moles and grams of iodic acid (HIO3) that can form when 635g of iodine trichloride reacts with 118.5g of water.
Write a balanced equation to show the polymerisation of the molecule CF2CF2. Show two repeat units of the polymer.
An unknown compound having the molecular formula C3H6O was tested in the laboratory. It was found to be soluble in water; it showed a negative reaction when it was tested with a chromic acid solution.
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