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What is the molality of 150.0 g of NH3 dissolved in a solution that is 1.25 Liters? The density of the solution is 1.45 g/mL.
The answer is 5.3, but I keep getting 4.86. Please show me how to do this.
A 150 g sample of water (initially at 45.0oC)is mixed with a 200 g sample of water (initially at 84.0oC). Find the final temperature of the system
Calculate the number of photons needed if 92.0 percent of microwave energy is converted to thermal energy of water.
Which of the following types of crystalline solids has a low melting point, is generally insoluble in water, and is a nonconductor of electricity
Calculate the potential that would be measured if the solution pH were 9.70, assuming the selectivity coefficient (Ks) for OH- is 0.1 and that ß is 1.00.
What is the ground state electron configuration for the boron atom? What term symbols can arise from this electron configuration?
What functional group is a: double bonded O that is single bonded to another O and single bond CH3
a 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 js of heat. if it took 6.92 min from
One mole of acetyl chloride was mixed with one mole of dimethylamine. After the reaction is complete, what species can be found in the mixture? Draw only the organic structures
Saltpeter is a compound made of potassium (K), nitrogen (N), and oxygen (O). Every 100.00 g of saltpeter contains 38.67 g potassium and 13.86 g nitrogen. What is the mass of oxygen contained in 316.0mg of saltpeter?
Calculate the concentration of each ion present in a solution that result from mixing 50 mL of a .20 M NaCLO3 solution with 25 ml of a .20 M Na2SO4. ASsume that the volumes are additive.
How many grams sodium chloride (NaCl) should be used in preparing 24 L of a solution containing 150 mEq/L. (atomic wt of sodium is 23, atomic wt of chloride is 35.5)
How many moles of excess reactant are present when 366 mL of .206 M sulfuric acid reacts with .596 L of .172 M sodium hydroxide to form water and aqueous sodium sulfate
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