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A solution gave a precipitate when ammonium oxalate was added but gave no precipitate when ammonium sulfate was added. For each Magnesium group ion(Barium, Magnesium, Strontium, and Calcium) tell whether the ion
a)must be present
b)might be present, or
c)cannot be present
what is the theoretical mass of xenon tetraflouride that form when 118. grams of xenon is reacted with 62.0 grams of flourine?
The compound malonate is an analog of succinate and is a strong inhibitor of succinate dehydrogenase. The active site of the enzyme will bind to either molecule, however malonate will not undergo any reaction and gets stuck on the enzyme.
In less than a 150 words, explain why swirling or shaking a solution and its drying agent hastens the drying process.
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
When 50.0 mL of concentrated sulfuric acid is added to 1.15 g of sodium chloride, what volume (in mL) of hydrogen chloride gas is obtained at 1.00 atm pressure and 25oC?
Ethylene glycol, antifreeze, has a density of 1.11 g/cm^3.a. What is the mass, in grams, of 410 mL of ethylene glycol?
Carry out the correct operation on the following set of values. Give answers in correct units and in the correct number of significant digits.
Why would the active form of thrombin be produced only when an injury occurs to tissue?
Oxalic acid dihydrate is often used as primary standard for the standardiztion of base solutions. For a procedure comparable to this experiment, approximately how many grams of oxalic acid dihydrate should be used in order to have a volume of abou..
For an elderly patient with impaired renal function, the dose is reduced to 250 mg every 6 hours. Calculate the reduction in the daily dose, in milligrams.
(The molecular formula for X is C8H8O2), and (The empirical formula for X is C4H4O) are all true. C) The empirical formula for X is C4H4O. D) The molecular formula for X is C8H8O2. E) X has a molecular mass of 136.
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 6.00 mL Ti solution of unknown concentration with 3.50 mL of a 10.2 ?g/mL solution of Co
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