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Calculate the pH of the final solution
A solution is made by dissolving 25.6 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution.
Which of the following would be expected to have the highest pH?
A mixture of an amine, RNH2, and other items in CH2Cl2 was extracted with 10% HCl. The aqueous layer was discarded. The organic layer contained no amine. What went wrong?
Calculate: Solution Density Mass fraction and % (sodium acetate) Mole fraction (sodium acetate) Molarity molality molality of solute particles
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
calculate delta s values for following reactions. in each case, account for the sign of delta s. a) C2H4(g) + H2(g) ---> C2H6(g)
For the following elements show the allocation of electrons to their orbitals on the basis of the Pauli exclusion principle, Hund's rule, and the Aufbau principle.
The chlorination of propane yields 4 different dichloropropanes of formula C3H6Cl2. Using the following information to identify dichloropropanes A,B,C,D.
What is the maximum number of grams of NH4SCN (s) that can be prepared from 9.00 g of CS2 (L) and 3.00 g of NH3 (g). The reaction is CS2 (l) + 2 NH3 --> NH4SCN (s) + H2S (g)
A compound was analyzed and found to contain 40.00% carbon, 6.72% hydrogren, and 53.25% oxygen with a molar mass of 180.0 grams.
Pretend that the HCl of this reaction is used in the neutralization of 45mL of a solution of Ga(OH)3. What was the molarity of the Ga(OH)3 solution
How many grams of aluminum hydroxide are obtained from 18.2g of aluminum sulfide?
Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the following cells
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