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What is the ph change of a 0.300 M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.130 M with no change in volume?
Express the difference in ph numerically to two decimal places.
How many moles of NH3 can be produced from the reaction of 0.5 moles of N2 with that amount of H2?
The conversion of sulfur dioxide into sulfur trioxide with oxygen gas must be closely monitored during the manufacture of sulfuric acid. The Kc = 1.7 x 104 at exactly 600K. If PSO3 = 300atm and PO2 = 100atm, calculate PSO2 and Kp.
If the density of sulfuric acid is 1.05 g/ml in the original 1 L solution, then find the weight percent of sulfuric acid in solution.
131I is readily available in Sacramento. Samples of 131I take 10 hrs to properly package and clear security before they are allowed to leave the site. Assuming that it takes 2 weeks to provide the safe ground transport to a clinic in Cleveland Ohi..
It required 71.5 mL of a 0.155 M KNO3 solution to fully react the copper in the ore sample. What was the percent copper in the ore.
A 500-liter tank contains air at pressure 300 kPa and temperature 500K. Calculate the mass of the air in the tank
a solution of 0.90 g of an unknown nonelectrolyte in 300 ml ofwater at 27?c has an osmotic pressure of 38.4 torr.what
You may want to write out the reaction)When ethane (C2H6) reacts with chlorine (Cl2) the product is C2H5Cl and HCl. In a certain experiment 165 g of C2H6 reacts with 255 g of Cl2.
at 340 k kp 69 for the reaction h2g i2g-gt 2hig. 50.0 g of hi is injected into an evacuated 5.00-l rigid cylinder at
How many grams of ethylene glycol C_2H_6O_2 must be added to 1.00 kg of water to produce a solution that freezes at -3.44 C?
Find the pH of a 0.135 M aqueous solution of periodic acid (HIO4), for which
If we attemp to add a second nitogroup to methyl m-nitrobenzoate, would the reaction be faster or slower than the first nitration
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