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Suppose an unknown hydrate, AC*XH2O, has a mass of 1.555g before heating, and a mass of .994g after heating, Define what is the experimental percentage of water in the hydrate?
Write the cell diagram for a galvanic cell consisting of a tin electrode in contact with 0.0100M tin(II) chloride solution and a chromium electrode in contact with a 0.50M chromium (III) nitrate solution.
A solution is made by mixing 500 mL of .121 M NaOH with 500 mL of .1 M CH3COOH. Calculate the equalibrium concentrations of H+. CH3COOH, CH3COO-, OH- and Na+
Would using sulfuric acid instead of hydrochloric acid with zinc metal change the outcome of the reaction
a highly radioactive element is determined to contain 0.3256 mol of the element. What is the element?
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentration is maintained at 2.0*10^-3M. What will be [M..
If the mass spectrometer produced only the parent mass how might this prove limiting when identifying compounds
A magnesium strip is reacted with hydrochloric acid yielding 26.8ml of hydrogen gas. hydrogen gas was collected over water at temp of 27 degres celsius and under a total pressure of 765 mmhg. calculate the mass of the magesium strip
The major isotope Mg-24, natural abundance 78.99%, relative atomic mass 23.98504 amu. The next most abundant isotope Mg-26, relative atomic mass 25.98259 amu.
A steel tank has a volume of 438 L and is filled with 0.885 kg of O2 at 21°C. What is the pressure within the tank?
If 5.400 g of C6H6 is burned and the heat produced from the reaction is absorbed into 5691 g of water and 21 degrees C, what is the final temperature of the water?
in lab an isomerization of dimethyl maleate in the presence of bromine to form dimethyl fumarate was conducted using a
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
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