How many liters of naoh is needed
You are given 25 mL of 0.10901 M acetic aid (C2H4O2) which has a pKa of 4.76 and are asked to titrate 0.2M NaOH into the solution. How many liters of NaOH is needed to completely neutralize the acid? What is the final pH of the solution?
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How much 0.20mol/L NaOH must be added to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L NaOH were added to 250mL of deionized water,what would the new pH be?
You discover the love of your life has become ill, and is very short on time to live. She would rather not know this unpleasant truth.
Phosphorus-32 has a half-life of 14.0 days Starting with 6.00g of , how many grams will remain after 98.0 days ?
Health expenditures in 2007 totaled $2.2 trillion and absorbed 16.2 percent of thedomestic product. Should we be concerned about the amount of the gross domestic product that is absorbed by the health sector?
What is the mass of 1 magnesium is 1.04 grams/m length of magnesium ribbon used was 2 cm volume gas collected was 42.9 ml room temperature 23.5 *c room pressure761.75mmHg vaper presure of water 21.75 ml hg
You are given 25 mL of 0.189438 M sodium acetate (NaC2H3O2) which has a pKb of 9.25 and are asked to titrate 0.2 M HCl into the solution. How many liters of HCl is needed to completely neutralize the base? What is the final pH of the solution?
Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c .
Fireflies flash at a rate that depends on temperature. At 29o C the average rate is 3.3 flashes every 10 seconds; at 23oC the average rate falls to 2.7 flashes every 10 seconds. Calculate the activation energy for the flashing process.
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