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Question- Calculate the value of pAg in a solution resulting from the mixing of 30.00 mL of a 0.0250 M AgNO3 solution and-1) 11.51 mL K2CrO4 0.0697 M2) 17.44 mL NaCN 0.0430 M3) 25.00 mL LiBr 0.0232 M4) 45.05 mL NaNO3 0.0175 M5) 15.00 mL Na2S 0.0500 M6) 14.89 mL MgCl2 0.0384 M7) 56.73 mg KSCN
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Explain a 15.0% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Compute the molar concentration of NiCl2 in this solution.
An interference filter is to be constructed for isolation of nitrobenzene absorption band at 1537 cm^-1 if it is to be based on first order interference, what should be the thickness of the dielectric layer
blood has normal glucose levels varies from 70 to 110 mg glucose per 100 ml of blood. brain damage may occur if the
For a 5.0 gram sample of each of the following, what weight of water will be lost if the sample is heated to constant weight: CoCl?*9H?O; CuSO?*5H?O; ZnSO?*4H?O; BaCl?*2H?O.
If i have 5.00g of Mg(OH)2, what volume of 0.1234 M HCL would I require to completely neutralize the magnesium hydroxide
In any chemical reaction, the quantities that are preserved are what?
Photoheterotrophic microorganisms that use photoenergy, but depend on organic matter as a carbon source, are abundant and widespread
The minimum frequency of light needed to eject electrons from a metal is called the threshold and find the minimum energy needed to eject electrons from a metal with a threshold frequency of 3.27*10^14s^-1.
What is the freezing point of a 28.6% (by mass) aqueous solution of HCl? Assume the HCl is 100% ionized.
1.would you xpect the alpha-protons of a thioester to have a lower or higher pka than an ester? why? remember the pka
a given mass of neon gas has a volume of 25.0 liters at a pressure of .75 atm. if the pressure is changed to 300.0 torr and the temperature remains constant , what will the volume of neon be
silica gel columns having smaller particle size procedure more effective chromatographic separations
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