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Problem- The solubility of sodium chloride in water is 35.9 g NaCl 100 g of water at 25 degree C. Calculate the mass percent and molality of NaCl in a saturated solution.
If possible just a brief explanation how you got the answer?
How much potassium nitrate has to dissolve in water to absorb 110 of heat?
Problem- Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation. If 16.1 kilograms of Al2O3(s), 53.4 kilograms of NaOH(l), and 53.4 kilograms of HF(g) react completely, how ma..
How many grams of water at 0 degrees C could be frozen to ice at 0 degrees C by the evaporation of 58.82 mol NH3?
a sample of nitrogen gas is collected over water at a tempature of 23.0 c. what is the pressure of the nitrogen gas if atmospheric pressure is 785 mm hg
You use 27.5 mL of NaOH to titrate 100.0 mL of HCl and 18.4 mL of NaOH to titrate 50.0 mL of 0.0782 M H2SO4. What are the concentrations of the HCl and NaOH respectively?
A 100.mL sample of 0.200 M aqueous hydrochloric acid is added to 100.mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity excluding any water is 480.J/K. The subsequent reaction occurs when the two solutions are mixed.
How many grams of phosphorus react with 31.2 L of O2 at STP to form tetraphosphorus decaoxide
Explain what is the net ionic equation for the solute NaCL in H20. We are told to write the dissociation first if it applies.
an ordinary 3.0 v flashlight bulb draws roughly 0.25 a of current and converts about 1.0 of the electrical power into
If Prozac was treated with bromine and was brominated once what would be the most likely produc
A buffer is prepared by mixing 303 mL of 0.146 M HCl with 923 mL of 0.565 M sodium acetate (NaCH3COO). Given that the Ka of acetic acid is 1.8 x 10-5, calculate the pH of the solution.
A two component liquid mixture was to be purified via simple distillation technique. THe boiling points of the pure liquids were 146C and 200C. Would you recommend carrying out this distillation
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