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Assume that it takes 64.25 mL of a 0.1555 M HCl solution to fully neutralize the calcium carbonate from one Tums tablet. How many milligrams of calcium carbonate are in the Tums tablet? Assume that there are no other ingredients that will react with the acid.
150.g of NaCl completely dissolves (producing Na+ and Cl- ions) in 1.00k of water at 25.0C. The vapor pressure of pure water at this temperature is 23.9torr.
the density of a given solid and liquid k are 992.6 kg m-3 and 933.4 kg m-3of molar mass 147.2 gmol at its normal
a compound contains 69.94 percent iron and 30.06 percent oxygen. what is its molecular formula if the molar mass of the
If a reaction between Zn and I2 takes place, are the physical and chemical properties of the substances isolated during and after mixing the same as or different from those of Iodine and Zinc? Explain using the reaction as an example.
Plot pH values as a function of volumes of added KOH and suggest appropriate indicators for the titration.
At 25 C, the standard hydrogen electrode (SHE) has a half-cell potential that is defined to be 0.00 volts. If the pH is increased at this electrode (keeping everything else the same), at what pH will the half-cell potential be equal to -0.337 volt..
What is the empirical formula? What is the molecular formula? How many grams of oxygen gas were used to oxidize the original 2.035 grams of compound?
a weather balloon with a 2-meter diameter at ambient temperature holds 525 grams of helium. what type of electronic
In the synthesis of benzoic acid rom CO2 and the phenylmagnesium bromide, benzene is often detected as a impurity, how does this come about
What is the Molarity of a solution prepared by diluting 55mL of .65 M hydrochloric acid solution to a final volume of 155mL by adding water.
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
calculate th eapproximate freezing points of the following aqueous solutions (assume complete dissociation) a. 0.800 m NaCl b. 0.800 m
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