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Why does Mg impart no colour to Bunsen flame while calcium does
How to determine the percentage difference between the experimental and the predicted value for the rate
Which of the following types of chemical reactions is illustrated below?N2(g) + H2(g) → NH3(g)
Depict the skeletal structure of the organic species containing the carbonyl functionality required to form 3-ethyl-1-pentanol upon metal-catalyzed hydrogenation.
Determine the molarity of a solution formed by dissolving 468 mg of MgI2 in enough water to yield
Problem- i). An iron ore is analyzed for iron content by dissolving in acid, converting the iron to Fe2+, and then titrating with standard 0.0150 M K2Cr2O7 solution. If 35.6 mL is required to titrate the iron in a 1.68 g sample, how much Fe2+ is i..
If 1.28 g of NaOCl is required for an experiment, but only NaOCl*5H2O is available in the lab, how many grams of the hydrate should be used?
Compute the mass in g of precipitate formed when excess sodium hydroxide is added to 42.5mL of 15.5% magnesium nitrate solution whose density is 1.12 g/mL.
what concentration of monobasic and dibasic sodium phosphate should be used to get pH 7.4
A student weighed 0.4521 g of sodium oxalate and dissolved in 50 mL of distilled water and 10 mL of 4.0M H2SO4. The solution was titrated with 58 mL of KMnO4, what was the concentration of KMnO4.
Explain why the first ionization energy of transition elements are of similar? Why does lithium have a much lower first ionization than helium? Arrange the atoms of Cs,Mg,N and F in order of increasing:
a compound is 40.0c 6.70h and 53.3o by mass. assume that we have a 100.g sample of this compound. what are the
Determine the moles of NaOH b. Determine the moles of HCl c. Calculate the concentration of HCl
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