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1. A solutions of hydrochloric acid was formed by dissolving 1.52g of hydrogen chloride gas in enough water ti make 24.1 mL of solution. what is the concentration in percent (m/v) of solution
2. At 25 degrees C, a saturated solution of carbon dioxide gas in water has a concentration of .145% (m/v). what mass of carbon dioxide is present in 250 mL of the solution?
3. The salts and their concentrations (m/v) are as follows: .86% NaCl, 0.03%KCl, and .033% CaCl2. suppose that a patient needs to receive 350mL of Ringer's solution by an intravenous drip. what mass of each salt does the pharmacist need to make the solution
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
Arrange the following gaseous substances in order of decreasing root mean square velocity at 25°C. argon, fluorine, carbon dioxide, oxygen, helium A.
Use the character table to derive which vibrational modes are IR active and which are Raman active
Does a chemical change occur when you cook an egg? Why or why not? When you fry an egg, it becomes a solid, the heat makes it smoke, and the color changes from clear and yellow to all yellow.
A solution composed of an equal number of moles of acetone and chloroform has a vapor pressure of 250 torr at 35 degrees celsius. (a) what would be the vapor pressure of the solution if it exhibited ideal behavior
What I don't understand is how they got it. I know that tetraphosphorus hexoxide is P4O6 and water is H2O. What I don't understand it how it becomes 4H3PO3.
1.201 g of a solid white acid are dissolved in water and completely neutralized by the addition of 28.41 mL of 0.418 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
What is the empirical formula of this compound. If, for example, the compound was C2Cl3F, then one would input `C2Cl3F' - no spaces, no commas, proper case for the letters in the atomic symbols, and alphabetical order of the elements is required h..
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v
calculate the grams of deposit in the following situations: a) In the form of Tl2O3 (solid) on an anode? (b) as the element Tl (solid) on a cathode?
What volume of distilled water do you need to add to dilute 1 mL of a 100 mM Tris-HCl buffer solution to a concentration of 1 mM
Explain how this reaction at equilibrium responds to the addition of heat? Please include any logic for why the reaction is endothermic or exothermic,
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