What is the molarity and molality of nacl
What is the molarity, molality, weight percent and ppm of NaCl(MW=58.4 g/mol) when 100g of this compound is dissolved in 500mL of water such that the density of the final solution is 1.16 g/mL?Assume the density of pure water is 1g/ml.
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The daily dose of ampicllin for the treatment of an ear infection is 115mg/kg of body weight. What is the daily dose for a 34 lb child?
You have a kiln where theinterior is a cube with an edge length of 30 cm. Estimate the surface temperature of the vertical walls next to the still air in degrees C.
A light-year is the distance light (speed = 2.998 108 m/s) travels in one year. (a) How many meters are there in 16.0 light-years?
Do women tend to marry men of similar intelligence? Fifty couples were used to investigate this question. A standard IQ test was administered to all subjects. After the exams were graded, the difference in the IQ scores was tabulated for each coup
A bottle of concentrated aqueous sulfuric acid, labeled 98wt% H2SO4 (MW 98 g/mol), has a concentration of 18.0 M. How many mL of this reagent should be diluted to 1 L to give a1M H2SO4?
Explain why some molecules are best represendted by resonance structures, and how these structures indicate the actual structure of the molecule.
The energy levels the electron can occupy in theHe+ ion can be calculated using the energy levelequation. Calculate the energy in kJ/mol of the electron when it isin the n= 5.00 level.
If you have a mixture of 10 lb. sunflower seeds whichcost 32 cents per pound and 16 lb of cracked corn whic cost 18cents per pound, how much will this mixture cost perpound.
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