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In order to make 50.0 mL of a 0.050 M AlCL3 aqueous solutio, how many grams of solid AlCl3 must be used? (o.050 M AlCl3 means 0.050 moles AlCl per exactly 1 liter of solution)
Write a dissociation equation of AlCl3 showing its sepatation into aqueous ions.
What is the total concentation (molarity, M) of all ions together in a 0.050 M AlCl3 solution?
What is the concentration of the H 2 SO 4 if a chemist titrates 300.0 mL of Sodium Hydroxide NaOH with a 5.0 M solution of NaOH and needs only 3.4 mL of the base to reach the endpoint,?
The normal boiling and freezing points of substance X are 87.3 K and 84.0 K respectively. The triple point is at 82.7 K and 0.68 atmosphere. a. Draw a phase diagram for substance X. Label the regions in which the s,l, and g phases are stable.
calculate the pH of 50 ml of .15 M HCHO2 with 75 mL of .13 M NaCHO2
If 500 mL of air contains 2 x 1022 particles (atoms and molecules), how many particles do you inhale in one day if you breathe 15000 L of air?
Exactly 100 pounds of cane sugar (dextrose), C12H22O11, were accidentally discharged into a small stream saturated with oxygen from the air at 25 celcius.
The density of palladium(Pd) is 12.0 g/mL at 20 degree Celsius temperature and the density is 11.0 g/mL 1550 degree Celsius temperature . What is the change in volume (V) if tempreture raises of 4.21 kg Pd from 20°C to 1550°C.
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
O2(g) + 4 HCl(g) → 2 H2O(l) + 2 Cl2(g) When 64.5 g of HCl are allowed to react with 17.6 g of O2, what is the theoretical yield of Cl2(g) in this reaction.
Calculate the voltage of the cell 2Ag+(aq) (0.200 M) + Cu(s) Cu2+(aq) (0.080 M) + 2Ag(s) Eocell = 0.460 V
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid.
How many calories of heat are necessary to raise the temperature of 350 ml of water from 1.00oC to 5.00oC.
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