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2 solution are mixed: 100 ml of 0.0020 M HBr(aq) with 100.00 ml of 0.0015 M Ca(OH)2(aq). What is the pH of the resulting solution?
reaction flask and allowedd to come to equilibrium at 250 C: PCL5--> PCl3 +Cl2 if the amount og chlorine in the equilibrium mixture is 0.470mol, calculate (a) the euilibrium concentration of each gas, (b) Kc, (c) the fraction of PCl5 dissociated.
How many moles of MgCl2 are needed to prepare 25 mL of a 1.49 M MgCl2 (aq) solution in a volumetric flask
The same vessel was then tried and filled to the same mark with a solution at 4 degree Celsius .the vessel was now found to weight 20.33gm. What is density of the solution.
copper ii sulfate dissolve sin water to form a blue solution. what species are present in the solution ie what is
Give the full electron configuration (# electrons, quantum numbers for last electron added, orbital diagram, electron configuration) for each of the following
Calcium phosphate is used in fertilizer products. How many grams of calcium phosphate can be produced by the reaction of calcium chloride with potassium phosphate if we use 5.0 grams of calcium chloride with 8 grams of potassium phosphate
a compound contains only c h and o. to analyze the compound you determine its empirical formula by analysis for c and h
Consider the reaction shown below. PbCO3(s) PbO(s) + CO2(g) Calculate the equilibrium pressure of CO2 in the system at the following temperatures. (a) 260°C atm (b) 500°C atm
What is the concentration of an HCl solution if for 50.0 mL of HCl it took 55.1 mL of 0.0875 M NaOH to completely neutralize it.
The planet Jupiter has a mass 318 times that of Earth, and its surface temperature is 140 K. Mercury has a mass 0.05 times that of Earth, and its surface temperature is between 600 K and 700 K. On which planet is the atmosphere more likely to obey..
Determine the mass of sodium hydroxide produced when 0.47g of sodium nitrite reacts with water according to the following equation:
suppose you have a cube of copper metal that is 0.236cm on a side with a mass of 0.1206 g. if you know that each copper
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