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One of the strongest "weak" acids is chloric acid. Its Ka is 1.0. What is the pH of a 0.75M solution of HClO3?
A) 0.06B) 0.15C) 0.30D) 0.48
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
a mixture of gases with a pressure of 800.0 mm hg contains 60 nitrogen and 40 oxygen by volume. what is the partial
Ammonium Nitrate absorbs 3.30 x 10^2 J of heat per gram dissolved in water. In a coffee-cup Calorimeter, 4.40 G NH4NO3 is dissolved in 100 g of water at 21.0 degrees celsius. What is the final temperature of the solution
suppose that a fully charged lead-acid battery contains 1.50 of 5.00. what will be the concentration of in the battery
the so2 concentration in a stack is 400 ppm the stack diameter is 10 ft and the stack gas velocity is 50 ftsec. the gas
Compute the concentration in molarity of an NaOH solution if 25 ml of solution is needed to neutralized 19.1 ml of 0.305 M HCl solution
Consider the reaction Fe + Sn^2+(1 x 10^-3 M) ? Fe^2+ (1.0 M) + Sn. Calculate the voltage theoretically generated by the cell.
calculate the number of NaCl formula units formed when 190 Na atoms and 98 Cl2 molecules react? 2Na + Cl2 → 2NaCl
The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.
Find the volume of 1.00M KOH which must be added to 200mL of 1.00M glycolic acid (pKa=3.83) to produce a buffer solution
consider the following reactioncacl2 s rarr ca2 aq 2 cl- aq deltaho -81.5 kja 38.3 g sample of cacl2 mw 110.98 gmol
Calculate the volume of CO2gas measured at 756 mm Hg and 23°C given off when 150 kg of limestone (CaCO3) is heated until it decomposes.
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