How much kan need to add to lb culture
You need 30micrograms/ml of Kanamycin in 1 liter of LB culture. You have a kanamycin stock of 100mgs/ml. How much Kan do you need to add to the 1 liter of LB culture to have a concentration of 30micrograms/ml?
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Lithium nitride can be produced by the reaction below. If the percent yield for this reaction is 28.63%, how much lithium would be required to actually produce 5.892g of lithium nitride?
A buffer solution contains 0.23 mol of carbonic acid (H2CO3) and 0.55 mol of sodium hydrogen carbonate (NaHCO3) in 2.10 L. The Ka of carbonic acid (H2CO3) is Ka = 4.3e-07. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer af
When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
I have 3 forms of a chemical BH+(aq), B(aq), B(organic), and other Ions H+(aq), OH-(aq), Na+(aq),Cl-(aq) in a solution. What would the charge balance be
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10^?2 M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are
Given that 3.582 g of copper (II) chloride are dissolved in 2.478 litres of deionized water, answer the following: 1) How many moles of copper (II) ions are present in the sample
A buffer is prepared by mixing 328 mL of 0.348 M HCl with 813 mL of 0.803 M ammonia (NH3). Given that the Kb of NH3 is 1.8 x 10-5, calculate the pH of the solution.
Calculate the change in enthalpy when 52.0 g of solid chromium at 25 degrees celcius and 1 atm pressure is oxidized. (delta h for Cr2O3(s) is -1135 kJ/mol.)
Hemoglobin has a positive charge of +5 and a radius of 3.55 nm in water. How far will the protein travel in one hour in an electrophoresis gel at 25C when a field of 1.0 V cm^-1 is applied if the viscosity of the gel is 0.891 cP (1cP = 0.01 g cm^-
What is the buffer component ratio, ([BrO-]/[HBrO]) of a bromate buffer that has a pH of 7.88. Ka of HBrO is 2.3 x 10-9
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