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1A. What is the freezing point of this solution if 30g Na2SO4 is dissolved in 800ml of water? Density of water is 1g/ml. Kf = 1.86°C kg/mol
1B. What is the boiling point of the solution if 25g KI is dissolved in 800ml of water? Density of water is 1g/ml. Kb= 0.51°C kg/mol
what is the molar concentration of nitrous acid in a solution with a volume of 276 mL containing 17.1 grams of hydrogen nitrite?
What is the initial sulfur dioxide concentration (in mol/L or M)?
a 35.00 ml solution of 0.2500 m hf is titrated with a standardized 0.1356 m solution of naoh at 25 c.a what is the ph
A 5% glucose solution has a specific gravity of 1.02. What is the mass of 500 ml of the glucose solution
What mass of calcium can be produced by this process if a current of 5900 A is applied for 55 h? Assume that the electrolytic cell is 60 % efficient.
The first ionization energy of bismuth is +703 kJ/mol. What is the longest possible wavelength of light that could ionize an atom of bismuth
Suppose a piece of silver jewelry contains 6.53×1022 atoms of silver (Ag). How many dozens of silver atoms are in the piece of jewelry. Express your answer numerically in dozens.
The mass spec of a yellow, diamagnetic solid A, a neutral metal carbonyl, reveals a molecular ion peak of 390 amu. A fragmentation pattern consisting of sequential losses of 28 amu (CO) occured until m/z = 110 amu.
A 1.00 g sample of D2O and H2O are reacted with CL2 and HCL and DCL are produced. Then they are diluted with H2O giving a volume of 1.00L. Then 25 mL of the solution are reacted with excess AgNO3 and 0.3800g AgCl precipitate formed.
Problem- For the following reaction, 13.3 grams of chlorine gas are allowed to react with 60.5 grams of sodium iodide. chlorine (g) + sodium iodide (s) sodium chloride (s) + iodine (s) What is the maximum amount of sodium chloride that can be form..
25.00 mL of 0.0200 M MnCl2 is titrated with 0.0250 M Na2H2Y. Both solutions are buffered to pH 8.20. Determine pMn after the addition of the following volumes (mL) of the Na2H2Y.
Milk of magnesia, a suspension of Mg(OH)2 in water, reacts with stomach acid (HCl) in a neutralization reaction.
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