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A 25.8 mL sample of a solution of RbOH is neutralized by 20.12 mL of a 1.172 M solution of HBr. What is the molarity of the RbOH solution? Answer in units of M.
What is the total molar concentration of all the ions in 0.030 M solutions of the following salts in water a) 0.030 M KCl = ________ M ions b) 0.030 M CuSO4 = _____ M ions c) 0.030 M CaCl2 = _______ M ions
Provide the structure of the dinitrophenylhydrazone derivative formed from pinacolone. Explain what product would be expected if benzopinacol (e) was used instead of pinacol
Carbon-14 dating can be used to estimate the age of formerly living materials because the uptake of carbon-14 from carbon dioxide in the atmosphere stops once the organism dies
How many grams of aluminum metal and how many liters of chlorine gas can be produced by passage of 4.8 amp of current for 2.3 hours under standard conditions
Equal molar quantities of two gases, O2 and H2O, are confined in a closed vessel at constant temperature. Which gas, if any, has the greater partial presure
a 0.355 g sample of a solid monopractic acid having a molecular weight of 12gmol requires 18.47 ml naoh for
Calculate the change in enthalpy of Hydrogenation from 298 K to 398 K. The Cp values are C2H4: 43.6 J/K mol and C2H6: 52.7 J/K mol
If the original sodium tartrate solution had a concentration of 1.00 M instead of 0.100 M, what would the concentration of copper be in a solution created by combining 10 mL of it with 10 mL of the 0.100 M copper (II) sulfate solution.
If the final temperature of the system is 59.4 oC, what is the calorimeter constant (Ccalorimeter) ? Use 4.184 J/goC for the heat capacity of water.
a sample of chlorine which has an average atomic mass of 35.86 consists of two isotopes with mass of 35 and 37. what is
When a 2.00 g sample of RbBr is dissolved in a calorimeter that has a total heat capacity 0.6306 kJ*K^-1, the temperature decreases by 0.420 K. Calculate the molar heat of solution of RbBr.
Based on solubility, express reaction that would happen when Zinc Sulfate solution is mixed with Magnesium Chloride: ZnSO4 + MgCl2 (I think) -->
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