Calculate percent-by weight of sodium nitrate in solution
A solution of sodium nitrate, NaNO3, in water is 5.181 molar and its density is 1.2680 g mL-1. Calculate the percent, by weight, of sodium nitrate in the solution.
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toxic chemicals in drinking water usually are reported and a safety level specified in units of parts per million (ppm) by mass. what is the molar concentration of arsenic in a water sample that has 1 ppm arsenic?
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At 720 degress celcius the KC for the reaction N2 + H2 <--> NH3 is 2.37X10-3 in certain experiment the eq. concentration are (N2)= 0.683M, (H2)= 8.80M, (NH3)= 1.05 M. Suppose the NH3 is raised to 3.65. Predict the shift in equilibrium by com
The pressure of the sample was measured at .796 mmHg. if the vapor pressure of water at 40 degrees C is 55 mmHg, what is the partial pressure of the nitrogen gas?
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