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Given the Ksp values for PbCl2 of1.6*10-5 at 25oC and 3.3*10-3 at80oC, if 1.00mL of saturated PbCL2(aq) at80oC is cooled to 25oC,will a sufficient amount of PbCl2(s) precipitate to be visible? Presume that you can detect as little as 1 mg of the solid.
if the initial concentration of ab is 0.230 m and the reaction mixture initially contains no products what are the
three gases 8.00 of methane 18.0 of ethane and an unknown amount of propane were added to the same 10.0- container.
Consider the following equation: 2Mg(s) + O2 (g) → 2MgO(s). How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?
The student uses 19.5 mL of 0.535 M NaOH to titrate the solution. Calculate the moles of acid neutralized per grams of tablet.
Propane burns in oxygen to produce carbon dioxide and water. c3h8 +5o2 yeilds 3co2 +4h2o Calculate the math of co2 that can be produced if reaction of 44g of propane and suficient oxygen has a 60% yeild.
A sample of helium gas has a volume of 241 mL at 0.83 atm. What pressure is needed to reduce the volume at constant temperature to 35 mL.
Explain how many grams of sodium dichromate, Na2Cr2o7, must be added to a 100mL volumetric flask to prepare .025M Na2Cr2o7 when the flask is filled to the marker with water. Compute the concentration of each ion in solution.
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
Need to dissolve CaCl2 in water to make a mixture that is 38.5% calcium chloride by mass. If the total mass of the mixture is 886.2g
balance the forward reaction with whole-number coefficientsalpha ch3ohl beta o2g---gtgamma co2g delta h2olgive your
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1 acetic acid for technical reaso..
The atmospheric pressure 4.The volume for the vapor to occupy above the liquid 5.The temperature of the liquid
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