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A certain weak base has a Kb of 7.30 × 10-7. What concentration of this base will produce a pH of 10.07?
What is the net ionic equation for this reaction occurring in water: Potassium sulfate and barium chloride are mixed to form potassium
If 3.42 g of K2PtCl4 and 1.61 g of NH3 give 2.02g of cisplatin (K2PtCl4+2NH3→2KCl+Pt(NH3)2Cl2), what is the percent yield of the reaction?
choloine atom is more electronegative than carbon so there is a bond dipole alon the Cl-C bond why then is tetrachloromethane
Calculate the molarity, percent composition by weight, and mole fraction of HCL in an aqueous solution 12 M HCl that has a density of 1.20 g/mL.
The half-life of carbon-14 is 5730 years. Therefore, 5730 years after being cut from a tree, a piece of wood will have 50.0% of the carbon-14 that it had originally.
a corrosion technologist pipetted a 100 ml hard water sample and titrated it with 37.64 ml of 0.01 M EDTA solution for a total endpoint, and 29.32 ml of 0.01 M EDTA solution for a calcium endpoint.
lead to two products. Draw the major product that is observed in practice, as well as the preceding intermediate.
sulfuric acid (H2SO4) by mass has a density of 1.221 g/mL. Determine the molarity of the solution.
A mixture of 0.10 mol of NO, 0.050 mol of H2, and 0.10 mol of H2O is placed in a 1.0- L vessel at 300 K . The following equilibrium is established:
how would each affect the calculated molecular mass of the solute?
After filtering, washing, drying, and weighing, the AgBr is found to weigh 0.609 g. What is the mass percent bromide in the metal salt?
How many valence electrons are there for the POCl3 molecule? Draw a reasonable Lewis structure for POCl3. Assign formal charges for the atoms in your Lewis structure
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