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Explain what volume of a concentrated HCL solution, which is 36.0% HCL by mass and has a density of 1.179 g/mL, must be used to make 5.30L of an HCL solution with a pH of 1.7?
The solubility of MnSO4 monohydrate in water at 20deg C is 70.0g per 100.0 mL of water. A solution at 20deg C that is 4.22M in MnSO4 monohydrate is best described as a _______ solution.
If the electrons after S_x measured are sent through a Stern - Gerlach analyzer to measure S_z(spin momentum along z-axis) again, what values will be found? with what probabilities will these values occur?
Explain how you might do this same titration if you did not have a pH meter. Why do you think that the sample titration curve of acetic acid titrated with NaOH would look different than a titration curve for the tirtration of phosphoric acid with ..
From data below, calculate the total heat (in J) associated with the conversion of 0.499 mol ethanol gas (C2H6O) at 301°C and 1 atm to liquid ethanol at 25.0°C and 1 atm.
prepare 100 mL each of five standard solutions: 2.00 x 10-5, 5.00 x 10-5, 1.00 x 10-4, 2.00 x 10-4, and 5.00 x 10-4 M. These will serve as your analytical standards, which means that their phosphate concentrations must be precisely known.
a swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. how many gallons of water are required to
A steel cylinder with a volume of 15.0 L is filled with 50.0 G of nitrogen gas at 25 degrees C. What is the pressure of the N2 gas in the cylinder
An adiabatic turbine expands steam from 500oC , 3.5 MPa to 200oC and 0.3 MPa. If the turbine generates 750 kW, what is the flow rate of steam through the turbine
Draw the Lewis structures of the following compounds and find out number of electron groups, number of lone-pairs, geometry of electron
In a chemical cold pack, two substances are kept separate by a divider. When the divider is broken, the substances mix and absorb heat from the surroundings. The chemical cold pack feels cold.
A 6.05-g sample of a Cu-Zn alloy reacts with HCL acid to produce Hydrogen gas. if the hydrogen gas has a volume of 1.51 L at 25 celsius and 721 mmHg, what is thepecent of Zn in alloy
If the volume of blood in an adult is 5.0L, what is the mass of HCI that the buffer can neutralize before the pH falls below 7.0
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