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The pH of a solution oh HN3 was found to be 4.7, find the original concentration of the hydroazoic acid, HN3?
Since there isn't an oxygen or some other electronegative atom in the molecule I'm not sure which peaks are which.
what is the molarity of a solution that contains 36.0g of vitamin b1 hydrochloride molar mass 337gmol in 190ml of
Calculate the freezing point and the boiling point of each of the following aqueous solutions. (Assume complete dissociation.) (a) 0.032 m MgCl2
A bottle of vinegar is labeled 5.0% acetic acid. If the bottle contains 240.0ml of acetic acid, how many grams of acetic acid are contained in the bottle?
The density of lead is 11.3 g/mL. The water level in a graduated cylinder initially at 216 mL rises to 292 mL after a piece of lead is submerged. What is the mass in grams of the lead?
An organic acid contains 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen by weight. A 0.080-mol sample of this compound weighs 11.60 g. What is the molecular formula of this acid
in a reaction mechanism the atom that gives away electron in a nutral nucleophile will end up as an, Cation or Radical or Anion?
Compute molar mass of ethanol after calculated molar mass in an experiment and the given molar mass of ethanol is 46.07g
if 25g of aluminum are allowed to react with 50.g of hydrochloric acid, how many grams of the product, aluminum chloride can be produced? equation.
Boyle's Law In the mid 1600s, the Irish chemist Robert Boyle carried out experments that determined the quantitative relationship between the pressure and volume of a gas. His data showed that for gas at a constant temperature, pressure and volume..
how many grams of dry nh4cl need to be added to 2.50 l of a 0.100 m solution of ammonia nh3 to prepare a buffer
If both enzymes catalyze their reaction with similar rates, explain why the hydrolysis of the starch molecule is accelerated when both enzymes act together.
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