Each of the following reactions shows a solute dissolved in water. Classify each solute as a strong electrolyte, a weak electrolyte, or a nonelectrolyte.
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1. M(l)--->M(aq) 2. AC(aq)<>A+(aq)+C(aq) 3. BD(s)--->B+(aq)+D(aq) 4. PR(aq)--->P+(aq)+R(aq) 5. N(s)--->N(aq)
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Which of the following pairs of aqueous solutions will form a precipitate when mixed?
MgCl2Â + KOH
Li2S + HF
HI+ LiOH
K2CO3Â + HNO3
All of these solution pairs will produce a precipitate.
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In an acid-base neutralization reaction 38.74 mL of 0.500 M potassium hydroxide reacts with 50.00 mL of sulfuric acid solution. What is the concentration of the H2SO4Â solution?
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the proton has a radius of approximately 1.0 * 10^-3 pm and a mass of 1.7 * 10^-27 kg. Determine its density in g/cm^3. Assume the shape is spherical and has a volume = 4/3 pi (r^3)
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calculate the numerical part of the conversion factors needed to carry out the following unit conversions:
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number of bacteria per unit area on a microscope slide from bacteria/mm^2 to bacteria/in^2
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number of gas molecules per unit volume from molecules/m^3 to molecules/ft^3
Answers
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Posted 19 Jun 2017 01:06 AM
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