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A solution is prepared by mixing 13.00ml of 0.0021M (aq) Hg2(NO3)2 with 25.0ml of 0.015M HCl. Assume that volumes are additive.
A. Will precipitation occur?
B. Calculate [Hg2^2+], [Cl^-] and [NO3^-] after equillbiruim is etablished.
A 1.00 g sample of an unknown acid required 17.0 mL of .650 M NaOH to neutralize. What is the molar mass of the unknown acid?
Use the PhET to complete the sentences describing how electronegativity is related to bond dipole experienced by the molecule.
How much heat is lost when a 640 g piece of copper cools from 375 oC, to 26 oC? (The specific heat of copper is 0.387 J/g . oC)
A 0.4780-g sample of impure Ca(OH)2 is dissolved in enough water to make 57.00 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1140-M HCl.
"Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH
A saturated solution of Mg(OH)2 in contact with undissolved Mg(OH)2(s) is prepared at 25 degrees C. The pH of the solution is found to be 10.17.
Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added:
If you make three serial 1:5 dilutions, using the solution above, what is the concentration of the final solution?
The mass percent of sulfur in the product is Blank 1 % (2 dec places). The mass percent of oxygen in the product is Blank 2 % (2 dec places).
Compounds of Reactions, Explain why compound A reacts 9000 times faster than compound B at 0 degrees
0.60 g of hydrogen chloride (HCl) is dissolved in water to make7 L of solution. What is the pH of the resulting hydrochloric acid solution.
Write the balanced formula unit equation for the reaction of sodium with oxygen (use major product). What is the sum of the coefficients
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