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1) Explain how many mL of 0.25M NaOH will be required to titrate 35.0mL of 0.175M H2SO4?? H2SO4 +2 NaOH--> 2H2O + Na2SO4
2) in an standardization process of 0.5000g KHP khc8h4o4 =MM 204.23g/mol was neutralize with 28.9mL of NaOH. Determine the molarity of NaOH.
3) 0.2161g of diprotic acid (H2A) was neutralized with 32.00mL of 0.150M NaOH. Determine the molar mass of this acid.
4) 0.3593g of a tri-protic acid(H3A) was neutralized with 22.00mL of 0.250M of barium hydroxide. Determine the molar mass of the acid.
For the following reaction: 2A + B + C --> 3P If the rate of disappearance of A ((delta)A/(delta)t) is -0.77 mol/(L s), what is the rate of appearance of P in mol/(L s)?
An excess of aqueous silver nitrate, AgNO3 was added to precipitate the bromide ion as silver bromide. If 8.00g of the soluble salt produced 2.00g of silver bromide, what was the mass percentage of the chloride in the sample?
At 0.0oC, if the volume of air is 2.5 mL and the pressure of the atmosphere that day is 835 mmHg, what is the number of moles of air?
How would you expect the graph to look if you tried to distill a mixture of pentane and touene. Draw and lable the graph
How many grams of water are needed to react with 75.0 g CaCN2?
How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.10 units
What is the gas pressure (in atm) inside a 2.43-L bulb that contains 2.88-g of Ne at a temperature of 32.9 C?
What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?
How many vinylic hydrogens are there in 1-ethylcyclohexene? A. one B. two C. three D. four
What is the de Broglie wavelength in cm, of a 12.9 g hummingbird flying at 1.14 102 mph? (1 mile = 1.61 km.)
How is the rate of disappearance of ozone related to the rate of appearance of oxygen in the following equation: 2 O3 (g) ? 3 O2 (g) (rate expression)
How many mL of 0.50 M acetic acid must be added to 20 mL of 0.20 M sodium acetate to yield a buffer of pH = 4.00
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