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Exactly what weight of dry ice is needed to react with 2mmol of phenylmagnesium bromide? Would an excess of dry ice beharmful?
a 5.00 ml sample of isopropyl alcohol has a mass of .930 g whe measured at 20 degrees celsius. what is the specific
considering the given equation as 4fes2 11o2 ----gt 2fe2o3 8so2 it is observed thatnbspa production error leads to
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
If 21.00 mL of 0.0950 N NaOH solution is used to titrate 28.75 mL of H2SO3 to the first equivilance point, what is the molarity
In a lab you need 1.0M, 0.1M, and 0.05M Cu2+. How could you make 50.0mL of each of these three solutions with only 10.0g of Cu(NO3)2 available
Hydrogen (H2(g)), 100.L at 380.mm Hg reacts at 150°C in a 110.L container with oxygen O2(g) (10.0L at 3.00 atm) to give water (H2O(g)). (a) How many moles of H2O(g) much water is formed? and (b) What are the total pressure and the partial pressure..
What is the width of a 1275 gram piece of aluminum with an area of 18.5 square meters and a density of 2.7 g/cc
If 28.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Calculate the pH of a buffer solution made by mixing 40.4 g of potassium formate into 1 L of a 0.09 M solution of formic acid. Give the pH to two decimal places.
calculate the equilibrium constant from an absorbance value but my professor never told us how to calculate this.
Calculate the empirical formula of the compound (CxHyOz). B) If the 4.00g sample corresponds to 0.0666 moles of a compound, what is the molecular formula of the unknown molecule (CxHyOz)
Complexometric titration and stoichiometry - How many grams of chloride ion were present in sample
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