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What is the silver concentration in a solution prepared by mixing 300 mL of 0.310 M silver nitrate with 200 mL of 0.140 M of sodium chromate?
select the element potassium k. give the wavelength in aringngstroumlms the frequency and the energy of the broadest
a bacterial culture isolated from sewage produced ml of methanech4 at 30c and 749 mmhg. what would the volume of
Write the Oxidation Half Reaction and Write the Reduction Half Reaction
A KNO3 solution containing 45 g KNO3 per 100 g of water is cooled from 40 degrees C to 0 degrees C. What happens during cooling
What is the hydronium-ion concentration of a 0.40 M solution of HCN (Ka= 4.9×10-10) at 25° C?
how many liters of the HCN solution must be added to the NaCN to prepare the buffer. Now add 1.60grams of NaOH (solid) to the buffer. What will be the new pH.
Write the equations for the following reversible systems A) solid KMnO4 in a saturated aqueous solution of KMnO4 B) a mixture of solid and gaseous forms of CO2 in a closed container
Give the structure of a compound that has a formula of C6H12O and has a triplet (3H 1.1ppm), doublet (6H, 1.2 ppm), quartet (2H 2.4 ppm) and septet (1 H,2.7ppm ) in the 1H NMR spectrum? Please explain how you figured it out.
You'll find an example of this reaction below. Assuming air is composed of 0.030% carbon dioxide, calculate the volume of air required, at reference conditions, to produce 1.0 kg of sugar.
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
The molar concentration of the indicator HIn (Ka= 4.8x10 -6 )and its conjugate base In- at 450 were determined as ?In-= 2.06x104 , respectively. Calculate the absorbanc (b=1.00cm) for the buffered(pH=6.00) having total indicator concentration of 2..
Calculate the pressure of 1.00 mole of CH4 in a 1.00 L container at 300.0 K using first the vand der Waals equation
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