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How many milliliters of 0.200 M NaOH would be neutralized by the HCl produced after 60 minutes? After 90 minutes? After 120 minutes? Treat the problem as a neutralization process.
A solution of 116 mL of 0.170 M KOH is mixed with a solution of 230 mL of 0.240 M NiSO4. What precipitate forms?
Draw a Lewis structure of BF that satisfies the octet rule for both atoms
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another
Enough of a monoprotic acid is dissolved in water to produce a 1.59 M solution. The pH of the resulting solution is 2.88. Calculate the Ka for the acid. Ka=?
An unknown metal with a mass of 28g absorbs 58J of heat. Its temperature rises from 31.1C to 39.9C. Calculate the heat capacity of the metal ?
A chemistry student needs 60.00 mL of chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48 g x cm^-3.
If 495g NaOH is dissolved in a final volume of 20.0 L, what is the molarity of the solution.
Indicate what precipitates, if any, form when solutions of each of the following are added to a solution containing the Group I cations.
how many grams of solute are in the solution 498 mL of a.850 M Na2So4?
sample of fertilizer by the procedure of this experiment and obtain 1.000g of MgNH4PO4 * 6H20. Calculate the equivalent mass of P2O5 initially in the sample.
Vanillin, the dominant flavoring in vanilla, contains C, H, and O. When 1.05 g of this substance is completely combusted, 2.43 g of CO2 and 0.50 g of H20 are produced. What is the empirical formula of vanillin?
A cetain weak acid, HA, has a Ka value of 1.4E-7 A) Calculate the percent ionization of HA in a 0.10 M solution. B) Calculate the percent ionization of HA in a 0.010 M solution
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