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Hydroxylamine nitrate has the following percent by mass composition: 29.17 % N, 4.20 % H, and 66.63 % O. Determine its empirical formula
Calculate the molarity and the molality of an NH solution made up of 28.0 g of NH in 70.0 g of water. The density of the solution is 0.982 g.
1. the absorbance of an iron thiocyanate solution containing0.00500 mg feml was reported as 0.4900 at 540 nm.a
Determine whether each compound is an Oxide, Peroxide, Superoxide, or something else: Na2O, BeO2, Rb2O2, Ba(O2)2, SrO. Determine whether each oxide would be Acidic, Basic, or Amphoteric: BaO, Cl2O7, Li2O, Al2O3, SO2.
What are the common strong and weak acids and bases need to recognize for titration, equilibrium and anything else involving acids and bases
Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets. The titanium can then be extracted from the ilmenite by the following set of reactions
Malonic acid titrated with NaOH.,what indicator could be used to find the endpoint,If there is more than once choice, which is best
the solvent benzene has a normal freezing point of 5.5 c if 1.00 g of an unknown dissolves in 20.0 g of benzene gives a
Question- What is the pressure (in Torr and atm) exerted by 0.331 moles of gas Argon, when the sample is contained in a flask whose volume is 400mL and whose temp. is 20 C
What is the pH of the solution formed by adding 2.77 grams of nicotinic acid (M. Wt. = 123.11 g/mol) to 250 ml of 0.050 M NaOH? For Nicotinic Acid Ka=1.4x10-5 and Kb=7.1x10-10
If 10.0mL of acetic acid, CH3COOH, is diluted with water to a total volume of 200.0mL, what is the percent by volume of acetic acid in the solution.
A gas mixture is made by combining 7.9 g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73 L.
Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with KOC(CH3)3.
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