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Calculate the pH of the following solutions A) 0.10 M hydrogen sulfide? B) 1.0*10^-4 M benzoic acid (check Ca/Ka ratio)? C) 0.09 M methylamine D) Ammonium carbonate (is it acidic or basic - actual pH not necessary)? E) 50. mL of 0.15 M nitric acid added to 100. mL of 0.05 M KOH? F) At the equivalence point when 50.0 mL of 0.16 M hydrazine is titrated with 0.10 M HCL?
What is the molar concentration of a H3PO3 solution if 150.00 mL of the solution was required to neutralize 75.00 mL of NaOH whose concentration was 1.50 molar?
175g pure H2O was placed in a constant-pressure calorimeter and chilled to 10C 9.8g pure H2SO4 (also 10C) was added, stirred and the temperature rose to 19.8C.
burning 0.115g of the compound in oxygen gives 0.379g of CO2 and 0.1035g of H2O. what is the empitical formula of mesitylene.
Write structures for all the structural isomers of double-bonded compounds with the molecular formula C5H10. Of the compounds
Four aldehydes and four hydrazines were used to explore hydrazone antibacterial activity in a combinatorial technique. How many reactions and antibiotic screenings would have been required to carry out this analysis in a non-combinatorial fashion?
Following the equation for the combustion of 2C3H6O+8O2----->6CO2+6H2O+853.6 kcal. How much heat will be given off if 0.48 mol of acetone is burned completely?
A balloon of methane gas, CH4, has a temperature of - 2.0 Degrees Celsius and contains 2.35 g of the gas. What is the temperature of the gas in kelvins
A chemist wants to make 5.5L of a 0.280M CaCl2 solution.What mass of CaCl2 (in g ) should the chemist use
A 51.0-mL volume of AgNO3 solution contains 0.0273 mol AgNO3 (silver nitrate). What is the molarity of the solution.
an 11.0-g of NaCl is dissolved in 125 g of water, with both substance at 25.0'C. calculate the final temperature of the solution assuming no heat lost to the surrounding and assuming the solution has a specific heat capacity of 4.18J/'C g
What is the temperature of the sample, in degree celsius? can you please show steps?
In the titration, 20.46 mL of the sodium hydroxide was used to react with 0.1082 grams of KHP. What is the molarity of the NaOH?
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