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A solution of sodium bicarbonate is prepared by adding 45 g of sodium bicarbonate to a 1.00L volumetric flask and adding distilled water until it reaches the 1 L mark. What is the concentration of sodium bicarbonate in units of (a) milligrams per liter (b) molarity (c) normality and (d) milligrams per liter as CaCO3?
The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned. If the reaction is CaC2 + 2H2O H2C2 + Ca(OH)2, how many liters of acetylene gas at 1.00 atm pressure and 0.00 °C are produced from 75.0 gr..
a quantity of nitrogen initially held at a pressure of 3.80 atm in a 1.00l container at the temperature of 27 degree
A sample of pure NO2 is heated to 338 degrees C at which temperature it partially dissociates according to the equation
the atomic weight of a newly discovered element is 98.225 amu. it has two naturally occuring isotopes. one isotope has
What is the concentration (molarity) of the solution prepared by dissolving 1.83g of Co(NO3)2 in HCl acid to give a total volume of 100 mL
Consider the diffusion of dopant element A into crystalline water. The dopant rich coating is considered as a large source of A relevant to the amount of A diffused, so that the surface concentration CAs can be considered a constant.
calculate the molarconcentration of oxygen in water at 25 celsius for a partialpressure of 0.23 atm. the henry's law constant for oxygen
the voltage developed by a cell consisting of Tl metal dipping in an aqueous solution that is 0.54 M in Tl+, connected by a porous bridge to a 0.64 M aqueous solution of HCl in contact with a Pt electrode over which H2 gas is bubbling at p = 0.72 ..
in a strongly acidic solution the amino acid lysine esists as the dication. as the pH is raised, what monocation is formed by the loss of a proton form the dication?
Calculate the pH of a solution that is 0.253M in nitrous acid (HNO_2) and 0.111M in potassium nitrite (KNO_2). Acid dissociation constant
1. a woman requires taking ibuprofen twice daily in 625mg amount. each pill in the bottle is 250 mg then determine the
Categorize each of the following as either ionic, covalent, or metallic bonding. 1. Molecular formula= 2. electron sharing= 3. alloy= 4. nonmetal with nonmetal
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