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How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?A) 103ml of 0.525M KCl
B) 109g of 0.545 m KCl
C) 109g of 4.0% KCl solution by mass
D) How much solvent would you take to prepare the solution in part B?E) How much solvent would you take to prepare the solution in part C
A solution of a specific vitamin has ?max = 223 nm and a concentration of 8.31 × 10-7 M. The absorbance of the solution at 223 nm is A = 0.180. What is the molar absorptivity of the vitamin at 223 nm?
A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?
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what is the chemical calculation to figure out the following: what mass of the indicated solute does the following solution contain: 17.8 ml of 0.119 M CaCl2
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The frequency of electromagnetic radiation required to promote an electron from n=2 to n=4 in a Bohr hydrogen atom is
An electrochemical cell is constructed by coupling a Cu(II)/Cuhalf-cell with an Ag(I)/Ag half cell. The concentration of Cu(II)and Ag(I) are both 0.010 M. The observed potential
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