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What NaCl concentration results when 279 mL of a 0.660 M NaCl solution is mixed with 597 mL of a 0.420 M NaCl solution?
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
What are ALL of the intermolecular forces of NaNO3? Choices (pick all that apply)
Calculate the force of attraction between a cation with a valence of +2 and an anion with a valence of -2, the centers
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 74% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9* 10-12.]
how many calories are used to heat a 50g sample of water from 8.1 degrees celius to 27.4 degrees celcius?
Determine the product of the reaction. As a general rule, a metal will combine with a nonmetal to form an ionic compound.
Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?
Sodium chloride has solubility in water at 100.0°C of 39.1 g sodium chloride per 100 g of water. Calculate the boiling point of a saturated solution of sodium chloride in water.
Liquid-in-glass thermometer are of two types:mercury in glass and alcohol plus red dye in glass. the dependence of volume on temperature of mercury and alcohol.
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
E85 fuel is a mixture of ethanol and gasoline. What mass in kilograms of E85 (d=0.758g/mL) can be contained in a 14.0 L gallon tank.
how many milliliters of a stock solution of 2.00 m kno3 would you need to prepare 100.0 ml of 0.150M KNO3
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