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If you wanted to dilute a concentrated solution to make a solution that was 1/10 of its original concentration, how many milliliters of the concentrated solution would you need for a final volume of 250 mL of dilute solution?
Calculate both the molar and molal concentration of water (H2O) in a solution of pure water when the water is at 10C and 30C. Use an accurate molecular weight for water
Calculate the pH of a mixture of .25M acetic acid and .1M sodium acetate. The pKa of acetic acid is 4.76.
if a 50.0 liter container holds 45 moles of a gas at a temperature of 200 C what is the pressure inside the container
calculate the end point ph when 25 ml of 0.01 moll hcl solution reacts exactly with 25 ml of 0.1 moll nh4oh
What kind of bond is being made with the orbitals between M and C, σ or Ï€? Predict what will happen to the strength of the CO bond in a metal â€"CO complex as compared to CO alone.
a compound of iodine and cesium contains 63.05 g of metal and 67.75 g of nonmetal. how many grams of cesium are in
Benzene freezes at 5.45 oC. The Kf for benzene is - 5.07 oC/m. What would be the freezing point of a 0.210 m solution of octane in benzene?
What is the pH of a 0.17 M solution of methylamine (CH3NH2, Kb = 4.4 × 10-4) at 25oC
calculate the molality m of a 7.25 kg sample of a solution of the solute ethanol dissolved in the solvent water if the
What is a specific example that exists foreach: biochemical, pharmaceutical and diagnostic chemical reactions in healthcare and why might it be of importance to healthcare professionals?
If 29.7 mL of 0.0205 M KOH us required to completely neutralize 25.0 mL of a HC2H30 solution. What is the molarity of the acetic acid solution
n KPH= mass KPH * 1 mol KHP/ MM KHP. for trial 1 my mass of KHP was 2.98 s. How do I calculate this with out knowing what MM KHP stands for
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