Chemistry
* Fixed Question What is the PH of a buffer made by adding 8.20 grams of sodium acetate(NaCH3CO2) to 500 ml of 0.10 M(molarity) acetic acid(CH3CO2H). Ka for acetic acid is 1.8 x 10^-5.
Chemistry
What volume of 0.105 M(molarity)is needed to completely neutralize 25.0 ml of 0.180 M(molarity)HBr according to the equation: KOH(aq)+ HBr(aq)-> KBr(Aq)+ H2O(L)
Chemistry
What is the PH of a buffer made by adding 8.20 grams of sodium acetate(NaCH3CO2) to 500 ml of 0.10 M acetic acid(CH3CO2H). Ka for acetic acid is 1.8 x 10^-5.
Chemistry
What happen when the pink stock solution is heated in a water bath?
Math
320
math
speakers place every 10 yds around the wall of school auditorium. Auditorium is 210 ft by 300 ft. How many wall speakers are placed around the auditorium?
history
is it true that Lee Yick took his case to the Supreme Court and lost because, under the 14th Amendment, only U.S. citizens had the rights of due process and equal protection of the laws.
Calculus
Optimization An offshore oil well is 2km off the coast. The refinery is 4 km down the coast. Laying a pipe in the ocean is twice as expensive as on land. What path should the pipe follow in order to minimize the cost?
1st grade
how many miles does the earth travles a minute or second ????
Algebra 2
Problem Solving - A manufacturer of cell phones makes a profit of $25 on a deluxe model and $30 on a standard model. The company wishes to produce at least 80 deluxe models and at least 100 standard models per day. To maintain high quality, the daily production should not exce...
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