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4.6*102 mL of 0.028 M AgNO3 and6.2*102 mL of 0.018 M Na2CO3 aremixed together. Ksp for silver carbonate is 8.1* 10-12 .What is the maximum concentration of Na2CO3that could exist in the solution without causing precipitation?
What is the volume percent of a solution prepared by dissolving 9 g of NaOH in enough water to make a final volume of 120 mL. How many mL of a 10% solution can be made from the solution in part a
What mass of ammonium chloride, NH4Cl, (Ka = 5.6 x 10^-10) must be added to exactly 500mL of 0.10M NH3 solution to give a solution with a pH of 9.00
A gas mixture contains 1.30g N2 and 0.95g O2 in a 1.57-L container at 22 degrees Celsius. Calculate the mole fraction of N2.
a cylinder measuring 5.7 cm wide and 6.8 cm high is filled with gas. the piston is pushed down with a steady force
Mercury is a poisonous metal that is used in thermometers. When mercury is at temperatures below its freezing point it has a simple cubic unit cell. How many atoms of Hg are present in each unit cell
Both stopcocks are opened. The pressure throughout the system is 33.5 mmHg. How many moles of N2 are in the system? How many moles of CO2 are in the system?
Ammonia(NH3) chemically reacts with oxygen gas (O2) to produce nitric oxide (NO)and water. What mass of ammonia is consumed by the reaction of 1.50g of oxygen gas
"One way to separate a mixture of stem cells and differentiated cells is to label the cell population with a specific antibody. Let's say stem cells express exactly 100 copies of the membrane antigen X, while all differentiated cells express exact..
Calculate the pH of 0.1000 M Propanoic acid (HC3h502, Ka=1.3x10^-5) after 0.020 moles of HCl is added to 1.00 L solution. Calculate the pH of 0.1000 M Sodium Propanoate NaC3H5O2 (HC3H502, Ka=1.3x10^-5) after 0.020 moles of HCl is added to 1.00 L so..
Calorimetry is a method used to measure changes in enthalpy, or heat, that occur during chemical processes. Two common calorimeters are constant-pressure calorimeters and constant-volume (or "bomb") calorimeters.
What volume (to the nearest 0.1 mL) of 6.00-M NaOH must be added to 0.650 L of 0.350-M HNO2 to prepare a pH = 3.30 buffer
rotational absorption lines from 1h35cl gaswere found at the following wavenumbers 83.32 104.13 124.73145.37 165.89
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