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What is the percent purity of a soda ash sample if it took 42.15 mL of 0.1100 M hcl to titrate 0.5017 of the sample ?
Determine the root-mean-square speed of CO2 molecules that have an average kinetic energy of 4.21*10^(-21) J per molecule.
Read carefully, 0.1M HCl is added into a mixture of 25mL of water and 25mL of Ca(OH)2. For the end point to be reached 1.3mL of 0.1M HCl is added into the mixture. How would I calculate the molarity of the hydroxide ion (OH-) for this final mixtur..
What would be the balanced chemical equation of Sodium oleate (C18H22NaO2) + sodium chloride
Isopropyl Iodide can be used in acetoacetic esther synthesis in the presence of NaOET to form 4-methyl-2-pentanone. How does this occur? P.S. I tried to use the chem software to diagram this reaction but failed miserably :P
a sample of 1.518g of KHC8H4O4 was dissolved in water and titrated with an NaOH solution. 26.90 ml were required to reach the equivalence point. Calculate the molarity of the NaOH solution
Chlorine exists primarily as 37Cl as well as 35Cl and has an average atomic weight of 35.453. The abundance of Cl with atomic weight of 35 is
A chemist wanted to make 100 grams of SO2. She had only 12 grams if sulfur and 4 grams of oxygen. Unfortunately, the amounts of reactants were not enough to make the desired product.
Calculate the composition of air (percent by mass) assuming that it only contains nitrogen and oxygen and behaves like an ideal gas
does it mean that the solution will shift towards the products because there is excess of reactants? what does it mean when the solution is orange (is it shifting towards products or reactant)?
Analysis of an unknown solution produces absorbance values of: 0.45 @ lambda max for B 0.75 @ lambda max for A What is the molar concentration of the unknown
Describe the preparation of 1.5 liters of a 0.1 M acetate buffer, pH 5.0, starting from solid sodium acetate trihydrate
Magnesium ions can be precipitated from seawater by the addition of sodium hydroxide. How much sodium hydroxide in grams must be added to a sample of seawater to completely precipitate the 82.0 mg of magnesium present
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