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306 mL of a .208 M solution of silver nitrate will react with 146mL of a .170 M solution of sodium phosphate to produce how many grams of silver phosphate precipitate?
calculate enthalpy change for the quantity of zinc reacted. Be sure to follow the significant figures convention in the answer you report.
What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? In some cases, the answer may be "none."
In one experiment, 11.5 g of NO formed when 112.4 g of each reactant was used. What is the highest percent yield of N2 that can be expected?
The amount of H2O2 in 15.8g of hair bleach was determined by titration with a standard potassium permagnate soln. MnO4-(aq)+H2O2(aq)--Mn2+(aq)+O2
A solution is made by dissolving 25g of NaCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/cm3. Calculate the mass percent, molarity, molality, and mole fraction of NaCl
Calculate the pH of a solution formed by mixing 65 mL of 0.30 M NaHCO3 with 75 mL of 0.30 M Na2CO3
If a 210 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.5 x 1.0 ft , what is the average thickness of the sheet in meters?
How much energy is required to boil 45.5g of water at 100 degrees C at sea level? The molar heat of vaporization of water is 40.6 kJ/mol.
If 36 L of Hydrogen at 44 C and 94 kPa react with sufficient oxygen to produce water, what mass of water can be produced?
The infrared spectrum of the xanthene reduction product contains evidence that demonstrates that conjugation of the rings is still maintained
450 mL of oxygen is bubbled through water at 10 degrees celsius and exerts 720.0 torr. What volume will the dry gas occupy at 730.0 torr and 10 degrees celcius?
You dilute 1g of the soap 1:106 and plate it on standard plate count agar. After 24 hours of incubation, there are 168 colonies. How many bacteria were on the soap? How did they get there?
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