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What is the molarity, molality, weight percent and ppm of NaCl(MW=58.4 g/mol) when 100g of this compound is dissolved in 500mL of water such that the density of the final solution is 1.16 g/mL?Assume the density of pure water is 1g/ml.
what will be the total gas pressure when the partial pressure of A(g) has fallen to 8.00x10^2 mmHg?
Two students reported a plus/minus 6.0% error. What was the highest alcohol density reported and what was the lowest alcohol density reported by the two students?
how many possible resonance structures can you draw for SO3 without violating the octet rule for S
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 degrees C. The initial concentrations of Pb2+ and Cu2+ are 5.00×10^?2 M and 1.50 M , respectively.
Calculate the maximum Cu(2+) contamination os the acid in moles Cu(2+) per liter. What is the corresponding contamination if the hydrogen partial pressure is reduced to 10^-4 atm
1.201 g of a solid white acid are dissolved in water and completely neutralized by the addition of 28.41 mL of 0.418 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
What are the equilibrium concentrations of NH2OH (hydroxylamine), NH3OH+, and OH- in a 0.15 M solution of hydroxylamine (Kb=6.6*10^-9)? What is the pH of the solution
what would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in
An aqueous solution of glycerol C3H8O3 is 48% glycerol by mass. Calculate the molality of the glycerol solution
a solution of volume 25.00 ml containing 0.0311 m na2c2o4nbspwas titrated with 0.0257 m laclo43nbspto precipitate
The solubility of copper (I) chloride is 3.91mg per 100.0mL of solution. Find the Ksp for copper (I) chloride.
Enter the molecular, ionic and net ionic equation for the following reactioins. I am having trouble figuring out when to make the water molecule and when not to.
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