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Problem- When 0.54 moles of CaCO3 are put in a reaction vessel with plenty of aluminum fluoride, how many moles of calcium fluoride is produced?
Show all work, use additional paper if necessary
For the reaction SO3+H2O yields H2SO4, how many grams of sulfur trioxide are required to produce 4.00 mol of sulfuric acid?
prepare a standard of lidocaine in methanol with a final concentration of 1.00 mgml using the powder lidocainehcl. show
A colored substance Z has an absorption maximum at 350 nm. A solution containing 2 mg of Z per liter had an absorbance of 0.850 using a 1 cm cell. The formula weight of Z is 148.
Heterogeneous catalysts that perform hydrogenation reactions are subject to poisioning which shuts down their catalytic ability. Compounds of sulfur are often poisons.
Identify how precitipation reactions can be used in the water treatment and purification processes to help maintain a safe municipal water supply.
a gas with a volume of 525 ml at a temperature of -25 celsius isheated to 175. what is the new volume of the gas if
We were asked to determine the activation energy. That the Arrhenius equation is LnK= LnA-Ea/RT. nevertheless he didn't give us the rate constant "K" instead he gave us the rate. Explain how determine activation energy using the rate.
Draw the structure of the product that is formed when the compound shown below is treated with the following reagents:
Lactic acid is a monoprotic acid with a Ka of 1.4 x 10-4. What is the percent ionization of a 0.100 M lactic acid solution in the absence and presence of 0.0500 M sodium lactate
After completing th calculations below, sketch the PH curve for the titration of 30.0 mL of a 0.125M solution of a weak acid, HA(ka=1.3*10^-5) with 0.125 M KOH. indicate the pH at a) the beginning of the titration (o.o mL titrant) after the additi..
The vapor above a mixed drink at room temperature contains 41% ethyl alcohol by mass. What is the mass percent composition for each component of the solution
If the density of mercury is 13.6 g/mL. What is the mass in grams of 15.6 L of mercury?
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