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1. How many grams of salt would be in 140.0 ml of a 10.5%(wt/vol) solution of the salt?
2. What would be pmm concentration of a solution of 0.000775 mol of sodium chloride in 1250 ml of solution? (Molecular weight of sodium chloride is 58.5)
Calculate the mass of H2O produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 L at a pressure of 2.2 atm and a temperature of 205 °C.
What are the poles of the following transfer functions?
Assume the temperature of the mixture is chosen so that Kp=0.12. Predict the effect on the partial pressure of SO3 as equilibrium is achieved by using Q, the reaction quotient.
Decide whether or not each of the following metals dissolves in 1 M HCl . For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Write a detailed, stepwise mechanism for all steps in the addition of HBr to 1-pentene in the presence of peroxide. Show all intermediates and use cuved arrows as appropraite.
How many grams of acetic acid is this. If the mass of analyte is 10.20 grams, what is the mass % of acetic acid in the analyte
If you were to carry out saponification of ethyl tridecanoate, would you expect the product to generate foam/froth when mixed and agitated with water
The molar solubility of a salt with the general forumula. M2Q, is 2.3 x 10^-3 mol/L. A. What is the Ksp of the salt?. What is the free energy change for the dissolution of the salt at 25C?
If a buffer solution is 0.260M in a weak base (Kb=5.6x10^-5) and 0.550M in its conjugate acid, what is the pH.
Zn(s) + 2 HCl(aq) → H2(g) + ZnCl2(aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted?
we then titrated both the aqueous and organic layer. for organic layer, we used 0.1M (S2O3)2- for aqueous layer, we used 0.01M (S203)2- find concentration [I]2 (subscript 2) for aqueous and organic layer
the fired crucible is handled with oily fingers before its mass measurement. subsequently in part b.1 the oil from the
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