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What is the concentration of a sodium carbonate solution prepared by diluting 10.0mL of a 5.0 M Na2CO3 solution to 250mL? Use the correct number of significant figures in your answer.
0.30 g of hydrogen chloride (HCl) is dissolved in water to make 4.5 L of solution. What is the ph of the resulting hydrochloric acid solution
Question- Which type of nuclear radiation is identical to an electron and is deflected toward the positive electrode as it passes between electrically charged plates
Is specific heat in the equation q=mcat, always going to be given in an exam? Isn't specific heat a constant that depends on the liquid being used?
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calcu late the mass of pure acetic acid in 480 mL of this solution at 20 C
A 50.0 L cylinder of CO2 is at a pressure of 5 atm at O ºC. What would the pressure be if the temperature was raised to 50 ºC? Show work please.
Describe the experimental basis for believing that the nucleus occupies a very small fraction of the volume of the atom.
A metal has denisty 6.4g/cm3 is dropped into water upto 90.6ml the water rise 121.4 ml compute mass of metal
describe how will you prepare a supersaturated solution of potassium nitrate in water.
calcium carbide cac2 can be made by heating calcium oxide lime with carbon charcoal.? caos 3 cs heat asdagger cac2s
What is the pH of a solution made by mixing 100.0 mL of 0.10 M HNO3, 50.0 mL of 0.20 M HCl, and 100.0 mL of water? Assume that the volumes are additive.
a 0.50 sample of vegetable oil is placed in a calorimeter. when the sample is burned 18.9 are given off. what is the
The solubility of slaked lime, Ca(OH)2, in water is 0.185g/100mL. What volume of 0.00400 M HCl is needed to neutralize 14.5mL of saturated Ca(OH)2 solution
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