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Using the Henderson-Hasselbalch equation, calculate the pH of an ammonia buffer when the NH3:NH4+ ratio is 0.4 moles:0.6 moles. (pK = 9.75). Please explain and will rate lifesaver.
If you start the experiment with 0.500 grams of Nickel (II) Acetate Tetrahydrate, how many grams of nickel acetate are in the sample
A sample of oxygen gas has a volume of 545 mL at 35°C. The gas is heated to 151ºC at constant pressure in a container that can contract or expand. What is the final volume of the oxygen gas
Determine the shape (geometry) of PCl3 and then decide on the appropriate hybridization of phosphorus in this molecule
The Tank contains how many grams of oxygen gas? A steel cylinder with a volume of 12.50 L contains oxygen gas at a pressure
Need explanation: In ionizing bases, the reaction of sodium hydroxide in water is Ca(OH)2 (s) = Ca2+(aq)+2OH-(aq) First of all, how do I know that Ca(OH)2 is sodium hydroxide
a voltaic cell consists of mnmn2 and cdcd2 half-cells containing equal volumes of solutions with the following initial
What mass of silver chloride can be produced from 1.27L of a 0.298M solution of silver nitrate
what is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10^23 atoms of F, and 71.0 grams of Cl
what is the acid-ionization constant ka for the ionization of acetic acid shown in the reactionch3coohaq h2ol
A 890 mL sample of NO2 gas is at STP. If the volume changes to 644 mL and the temperature changes to 20ºC, what will be the new pressure in atmospheres?
Write down the balanced chemical equation when Fe 3 O 4 reacted with carbon monoxide and calculate mass of carbon dioxide that will be produced in this reaction if 234 g carbon monoxide is reacted with excess Fe 3 O 4 ?
What are 3 most significant structural differences between HPLC equipment and Ion Chromatography instruments
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