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Given stock solutions of glucose (1M), aparagine (100 mM) and NaH2PO4 (50 mM), how much of each solution do you need to prepare 500 mL of a reagent that contains 0.05 M glucose, 10 mM asparagine, and 2 mM Nah2PO4?
Why are monochromators (prism or grating monochromators) used in scanning instruments as opposed to absorption filters for
Calculate the concentrations of all species in a 1.75 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
One of the nobles gase of group was isolated in 1894 by allowing a large volume of air to react with magnesium so that the only noble gas, contaiminated with tracs of other noble gases,
Aluminum sulphate is used in sand paper, among other uses. How many g of aluminum oxide dihydrate will be needed to produce 500 g of aluminum sulphate by the (unbalanced) reaction below? Al2O3 •2H2O + H2SO4 Al2(SO4)3 + H2O
Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce 490 kJ of heat.
In the acid-catalyzed dehydration of cyclohexanol, the mechanism requires only catalytic acid, but in the experiment we used large excess.
CO(g)+2H2(g)->CH3OH(g) How many moles of each reactant are needed to produce 3.60 X 10^2g of CH3OH?
A mixture of copper(II) sulfate pentahydrate (249.70 g/mol) and magnesium sulfate heptahydrate (246.49 g/mol) is heated until all the water is lost. The weight of the initial mixture is 5.020 g, and the weight of the resulting anydrous compounds i..
Starting with acetylene and any other necessary reagents, propose a synthesis for 1,2-dibromobutane
The isotope 172Ta undergoes decay by positron emission. After 2 hours , 1/6 of the initial amount of 172Ta remains undecayed. The half- life of the isotope is
What is the Total Ionic Equation for:2Al + 2KOH + 6H2O = 2KAl(OH)4 +3H2
What is the structure for hexadecanol?, What would explain why it is a solid, rather than a liquid?, How are ethanol, 1-octanol, propane-1,2,3-triol, and hexadecanol similar to their corresponding hydrocarbons (ethane, octane, propane, & hexadecan..
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