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Calculate the pH of of a solution prepared by mixing 60.0 mL of 0.160 M HCl with 15.0 mL of water. How much antacid containing 400.0 mg of Mg(OH)2 in 5 mL of water is needed to neutralize this volume of acid?
What effect does the presence of lone-pair electrons have on the bond angles and the geometry of a molecule?
A solution is prepared by dissolving 18.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 50.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
If 12.5 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 22°C and 753 mm Hg?
63mL of a 1.70 M solution is diluted to a volume of 218 mL. A 109mL portion of the solution is diluted using 117mL of water. What is the final concentration?
determine the actual yield If the percent yield of the reaction in B was 91% describes the oxidation of ethanol (C 2 H 5 OH) to acetic acid (CH 3 COOH) by potassium permanganate (KMn04
If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?
what is the concentration of sodium ions in the resulting solution?
which of the following processes are exothermic?
At 25 degrees Celsius liquid A has a vapor pressure of 100 torr while liquid B has a vapor pressure of 200 torr. The heat of vaporization of liquid A is 32 kJ/mol
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
how many grams of bromine are required to react with 37.4 grams of aluminum chloride?
The sulfide content in a pulp plant effluent is determined with a sulfide ion-slective electrode using the method of standard additions for calibration.
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