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A 10.0 mL sample of household ammonia solution required 33.55mL of 0.450 M HCl to reach neutralization. Calculate (a) the molar concentration of the ammonia and (b) the mass/mass percent concentration of ammonia(17.04 g/mol), given a solution density of 0.983 g/mL.
Explain why the extrapolated temperature is used to determine the maximum temperature of the mixture rather than the highest record temperature in the experiment.
In the above system, if lead nitrate is added to sodium chromate, what concentration of lead nitrate is required to begin formation of a precipitate? CHOOH(aq) + H2O(l) CHOO-(aq) + H3O+(aq)
calculate the number of water molecules that can be prepared from 664 h2 molecules and 664 o2
When using M1 x V1 = M2 x V2 to calculate any concentration or volume, what must one remember with regards to glassware when recording / using volumes
If 1.500 g of a solute having a molar mass of 125.0 g were dissolved in 35.00g of camphor, what would be the resulting freezing point of the solution.
Phenol, C6H5OH, is a weak organic acid. Suppose 0.515 g of the compound is dissolved in exactly 125 ml of water. The resulting solution is titrated with 0.123 M NaOH.
This mixture has density of 1.391g/L and occupies a volume four times as that of pure hydrocarbon. Determine the molecular formula of the hydrocarbon.
sample of sodium reacts with 0.497 kg of chlorine forming 819 g of sodium chloride, what mass of sodium reacted
A student wanted to dry some diacetone alcohol A and allowed it to stand over andydrous potassium carbonate for a week. At the end of the week the sample was found to contain pure acetone. Propose a mechanism for the reaction that took place.
For a Diels-Alder Lab I'm asked to "Provide a rationale for the correct product for this reaction". Not sure exactly what the professor is looking for with this question.
The mass of an atom of beryllium is 1.5 x 10^-26 kg. How many beryllium atoms are present in beryllium film of mass 0.37 g used as a window on an x-ray tube
How many grams of Mg(OH)2 will be needed to neutralize 25 mL of stomach acid if stomach acid is 0.10 M HCl
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