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a solution contains 4.56 g of KCl in 175 mL of solution. if the density of the KCl solution is 1.12 g/mL, what are the mass percent (m/m) and moarity (M) for the KCl solution
You need to produce a buffer with pH = 4.1 by dissolving a weighed amount of sodium formate (FW = 68.0072) in 500-mL of 0.45-M formic acid
The product of the reaction between chloro(cyclopentyl)magnesium and pentan-2-one was treated with H2O.
Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS. What mass of O2 should be present?
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
While carrying out Part A, some of the solid calcium hydroxide is inadvertently transferred to the beaker and titrated. a. Will more, less, or the same amount of HCl be used for the titration? Explain.
A fish tank holds 30.0 gal of water. Using a density of 1.0 g/mL for water, determine the number of pounds of water in the fish tank.
A rigid ball that contained 25.0 liters of air at 22°C and 6.25 atm pressure was placed in an oven at a temperature of What was the new pressure inside the ball?
Explain how the mass of a single atom in an element (jn amu), the mass of one mole of atoms of that element
Aspirin's mode of action is to make a covalent bond with the active site of the COX II enzyme which inactivates the enzyme. A nucleophilic histidine side chain
A solution has a volume of 2.0 L and contains 36.0 g of glucose (C6H12O6). If the molar mass of glucose is 180 g/mol, what is the molarity of the solution.
A nuclear explosion generates so much heat that it turns steel structures in the immediate area into steel vapor. What is the correct name of the type of phase transition that is represented by this process
A solid block of exactky 100.0 cm 3 has a mass of 153.6g. Determine its density. Will the block sink or float on water?
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