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1. Name a sinlge reagent that can be used to distinguish a) AgCl(s) and Ag2CO3(s) and b) NaI(aq) and NaCl(aq).
2. A white, crystalline solid dissolved in water forming a pale blue solution. A precipitate resulted when the solution was treated with 6M sodium hydroxide. The precipitate dissolved in ammonia, giving a royal blue solution. A second portion of the solid was dissolved in water. Treatment of a portion of that solution with silver nitrate resulted in a white precipitate. The precipitate dissolved in ammonia. Identify the origional salt, giving its chemical formula. Explain your resoning briefly.
Describe the intermolecular force that must be overcome in converting the following from a liquid to a gas.
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation.
a compound contains 87.7% carbon and 14.3% hydrogen.its relative molecular mass is 70.what is the empirical formula and the molecular formula.and is it an alkane or alkene
what is the total number of joules of heat energy absorbed when the temperature if 200.0g of water is raised from 10 degrees celcius to 40 degrees celcius.
which solution can conduct an electrical current?
What is the theoretical concentration of the 2,6-dichloroindophenol solution? What is the theoretical volume of 2,6-dichloroindophenol needed to neutralize 10mL of the vitamin C standard solution?
A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.
How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}? How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}?
Determine what would be its temperature after absorption of 9.4 * 10-2 kWh of heat If 1.45 L of water is initially at 25.0 °C,?
How many grams of the solid can be formed from 286 grams of calcium nitrate and 136 grams of Phosphoric acid?
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