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How many grams of sodium phosphate will be needed to produce 500ml of a solution that has a concentration of Na+ ions of 1.10M ?
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
The mole fraction of potassium nitrate in an aqueous solution is .0194. The density of the the solution is 1.0627 g/mL. Calculate the molarity of the solution.
Calculate the change in entropy (in J/K) when 89.8 g of nitrogen gas is heated at a constant pressure of 1.50 atm
The smallest unit of charge is -1.6× 10-19 C, which is the charge (in coulombs) of a single electron. Robert Millikan was able to measure the charge on small droplets of oil by suspending them between a pair of electrically charged plates.
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 870 mL at 40C and a barometric pressure of 755 torr.
Write down a lewis structure for SbCl5 and also explain Does the the octet rule is obeyed by this molecule Explain how many grams would 3.01 * x10 23 atoms of tellurium have?
If you mix 10.0 grams of CH3SH with excess CO and 8.65 grams of CH3COSCH3 is produced, what is the percent yield of the CH3COSCH3?
If 26.23mL of potassium permanganate solution is required to titrate 1.041g of ferrous ammonium sulfate hexahydrate, FeSO4(NH4)SO46H2O.
A 3.00-liter sample of gas is at 417 Kelvin and 0.65 atmosphere. If the volume is decreased to 1.50 liters and the pressure of the gas is increased to 1.95 atmospheres, what will be the temperature of the sample?
It takes 47.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0rm ^circ C to 25.0^circ{C}. What is the specific heat for the metal?
a 97 gram solution of silver nitrate contains 21 grams of AgNO3. what is the percent by mass of silver nitrate in this solution?
How many milliliters of O2 measured at 24C and 757mmHg , are released from solution in the first minute of the reaction? Please find volume
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