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A concentrated aqueous hydrofluoric acid solution has a density of 1.15 g/mL and is 48.0% by mass HF(20.01 g/mol). Determine the molar concentration of this solution
An "empty" container is not really empty if it contains air. How may moles of nitrogen are in an "empty" two-liter cola bottle at atmospheric pressure and room temperature (25 C)? Assume ideal behavior. the partial pressure of nitrogen in air at 1..
Calculate the weight of iron (II) sulfate heptahydrate which is crystallized from the 80 g solution of iron (II) sulfate saturated at 50 degrees C by cooling it down to 10 degrees C a solution
In a preparation of 2-butanone 2,4-dinitrophenylhydrazone, calculate the amount of reagent to be weighed out from a bottle of (70% 2,4-DNP/30% H2O) if it is reacted with 4.14g of 2-butanone and a 1.4 molar excess of the 2,4-DNP is required.
Explain why Oxalate (C2O42?) is named this way? It follow what nomenclature rules it's the same thing as acetate
NaOH and then 25.0mL of 0.5 M of your weak acid HA with 0.500M NaOH. How would the titration curves compare at 10 or 15 mL of NaOF beyond the equivalence points
Question- What is the minimum volume of a solution that contains 0.743g of NaBH4 per 100.0 mL of solution that is required to fully reduce 0.943g of 3-methyl-1-phenyl-2-butanone (C11H14O). You may assume the reaction works ideally.
Explain why the addition of a small amount of base to an acidic buffer solution causes only a small change in the pH of the buffer solution.
Question- Upon returning home, Melvin got involved in a water fight with his girlfriend, Melinda. He observed that the water balloon he was holding was a nearly perfect sphere with a diameter of 10.7cm.
How do you calculate the pH of a solution given the concentration of OH- ions?
Show the reaction mechanism of the reaction of 3,3-dimethyl-1-butyne with HCl in acidic medium to form 1.3-dichloro-2,3-dimethyl-butane.
Various types of medicines use in daily life? and classify them into analgesics, antipyretics, antibiotics, sedatives, antiseptics.
What is the molarity of chloride ion when a mass of 27.1 g of calcium chloride is diluted to a volume of 250 mL in a volumetric flask? The molarity of chloride ion in the solution is _____x10^____2 M.
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