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In Part B of this experiment, you need to add a known amount of the liquid unknown to your water-ice mixture. You want the concentration of the liquid unknown in solution to be around 2 m. Let's estimate how much liquid unknown you should add.
Assuming that there is about 100g of liquid water in the solution, how many moles of liquid unknown will be present in a 2 m solution? Also, assuming that the molar mass of the liquid unknown is about 50g/mol, calculate the approximate mass of liquid unknown that should be added to your water-ice mixture.
this method requires 12 n sulfuric acid. concentrated sulfuric acid is 18 m. how was the acis for this experiment
What is the value of the equilibrium constant for Haber process at 298K if the equilibrium concentration are as follows:
Water solubilities of oxalic acid and sodium oxalate at RT are 10g/100 ml and 3.7 g/100 ml respectively. Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temperature, and filtering the resulting mixtu..
A solid mixture weighing 1.372 grams and containing only sodium carbonate and sodium bicarbonate required 29.11mL of 0.734M HCL for a complete titration. what is the grams of sodium carbonate and sodium bicarbonate in this mixture
How much concentrated solution would you take to prepare 1.25L of 0.120M HNO3 by mixing with water? Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL
A 200. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 48°C?
The solubility of MX2 is 8.91e-07 M. What is its Ksp to three sig figs? What is the molar solubility of M2X (Ksp = 1.38e-10)? M What is the concentration of M1+ in a saturated solution of M2X? M
How do you determine the mass of a AA battery. Why does the battery weigh less when it it dead. What does the Law of Conservation of Mass have to do with this.
Calculate the volume of 1.00 M nitric acid needed to react completely with 25.0mL of 1.84 M calcium hydroxide
A 500 ml volume of helium gas is at a pressure of 750 mm Hg and has a temperature of 30 degrees celcius. What is the volume of the same gas at STP?
Zn (s) + 2 HCl (aq) = H2 (g) + ZnCl2 (aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted
Suppose that the atomic mass unit (amu) had been defined as one-sixth of the average mass of an atom of fluorine instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of phosphorus be on this new scale
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