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under SCE-SINGLAS, when is it a requirment to perform method validation on a test method?
what is the differences between partial and full method validation? under what circumstances are they being carried out?
What is the Ce 3+ concentration in a solution formed by combining 50.0 mL of 0.0500 M Ce 3+ with 50.00 mL of 0.150 M IO3-? The solubility-product constant for Ce(IO 3 )3 = 3.2 x 10 E-10.
For each line in the hydrogen spectrum, how do you deduce n2 (the upper state) and n1 (lower state) and if you could record the absorption spectrum of hydrogen gas, what would it look like?
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
Calculate: Solution Density Mass fraction and % (sodium acetate) Mole fraction (sodium acetate) Molarity molality molality of solute particles
A volume of 725 mL of a gas is collected at 105 degrees C and 746 torr. The gas sample weighs 1.92 grams. what is the gas.
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
if 25.0 mL of 0.125 M HCl is neutralized by exactly 14.8 mL of NaOH, what is the concentration of the base?
Typical rate of deposit of dust (dustfall) from unpolluted air was reported as 10 tons per square mile per month. Express this dustfall in milligrams per square meter per hour.
What is the maximum number of liters of Fe2O3(s) that can be made from 11.53 L of O2(g) and 16.07 L of FeS(s) at STP?
if 0.200mole of NaOH is added to 1 liter of solution that is 0.100M in aqueous ammonia and 0.200M in ammonium chloride how much does the Ph change.
Consider a lake containing 39 ppb (parts per billion) of parathion, which has a log Kow = 3.8. If a sample of lake water was mixed with octanol, what is the expected concentration of parathion in the octanol?
The equilibrium constant, Kc, for the following reaction is 1.29E-2 at 600 K: COCl2(g) CO(g) + Cl2(g)
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