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Define a student is given an antacid tablet that weighed 5.6832 g. The tablet was crushed and 4.3628 g of the antacid was added to 200 mL of an imulated "stomach acid." This was allowed to react as well as then filtered. It was found that 25.oo ml of this partially neutralized stomach acid required 8.50 ml of a NaOH solution to titrate it to a methyl red endpoint. If it took 21.5 mL of this naOH solution to neutralize 35.00mL of the original stomach acid
a. Explain how Much of the stomach acid had been neutralized in the 25.00 ml sample which was titrated?
b. Define how much stomach acid was neutralized by the 4.3629 g tablet?
c. Explain how much stomach acid would have been neutralized by the original 5.6832 g tablet?
How much of the RNA standard and TE buffer would you add in each well to give the appropriate final concentration with a final volume of 280 µL
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2 mL of water, a completey homogenous solution was formed. Draw the structures of the species present in water.
write a balanced equation for the decomposition reaction described using the smallest possible integer
A beaker contains a solution that is 0.50M in Au3+ ion and 0.25 M in Ag+ ion. A solution of sodium chloride is slowly dripped into the beaker with stirring. Which ion will precipitate first, the gold or the silver
for the reaction 2CH3CH2CH2CH3(g) + 13O2 --> 9CO2(g) +10H2O(g) delta h = -5285.0 kJ. a) how many kilojoules are released when 27.86 g of butane are burne? Assume that an excess of oxygen is present.
What is the initial mole of Aniline? what is the initial mole oh HNO3 if 40mL of the acid was used in the titration
How many grams of KCOOH are needed to prepare 150 ml a buffered solution of pH 3.85 if the acid concentration, HCOOH is 0.1M
how much heat (in kj) is needed to convert 866g of ice at -10 degree C to steam at 126 degree C? (the specific heats of ice and steam are 2.03 j/g degree C and 1.99 j/g degree C.
A container filled with 3.47 kg of water underwent a temperature change from 23.20 oC to 28.42 oC. How much heat, measured in kilojoules, did the water absorb
If somebody could please solve it and show the steps ill be forever grateful and will rate 5 stars. 1.) What is the change of energy when an electron of boron travels from the 4th energy level to the 2nd energy level
Explain why and calculate the difference between the delta S° values at 298 K for the complete dissociation of the two complex ions. (Hint: the value delta H is about the same for both systems.)
By titration against a standardized potassium permanganate solution in an acidic medium according to the following equation: 2 MnO4- + 5H2O2 + 6H+ -----> 5O2 + 2Mn2+ + 8H2O If 36.44 mL of a 0.01652 M KMnO4 solution are required to completely oxidi..
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