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The pKa of H2CO3 is 6.37. What is the pH resulting from mixing 50.0 mL of 0.0100 M H2CO3 with 1.50 mL of 0.100 M NaOH?
Calculate the pH at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine (MW = 104.75 g/mol, Kb = 7.1×10-4) with 0.1000MHCl solution.
If an aqueous solution has a hydroxide ion concentration ([OH-]) of 5.94 x 10-5 mol/L, what is the hydronium ion concentration? 4.48 x 10-12 mol/L 1.68 x 10-10 mol
What is the concentration of an HCl solution if for 50.0 mL of HCl it took 55.1 mL of 0.0875 M NaOH to completely neutralize it.
Suppose that 25.0g of gold is initially at 27.0 Celsius. What is the final temperature of gold upon absorbing 2.35kJ of heat?
Determined if CS 2 of 2.500 grams mix with an excess of chlorine gas , 9.310 Kilo joule of heat is evolved. What sort of reaction is this , Is the reaction exotermic also find out delta H for the reaction?
Draw all of the structural (constitutional) isomers for one of the alkanes and name each isomer for C10H22. I just need Six and I do not get this
explain why water is not plotted on the delta t versus molecular mass graph in the analysis .(hint:what makes water different from the other 3 solvents?
write the skeleton equation representing the heating of magnesium carbonate to produce solid mangnesium oxide and carbon dioxide gas.
Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH 4 , at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5
a piece of metal with a mass of147g is placed in a 50ml graduated cylinder. the water level rises from 20ml to 41ml. what density of the metal?
For a mixture of two gases, consisting of 1.00 mol of C2H6 and 1.00 mol of Kr, at a total pressure is 4.50 atm, what is the partial pressure of C2H6?
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