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A soution containing 0.750 g of an unknown substance in 30.0 g of cyclohexane was found to freeze at 3.1 degree celcius . what is the molar mass of the unknown substance?
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.75 m K3PO4(aq).
If the mass of the Co(NO3)2*6H20 obtained to prepare the stock solution had been more than the mass that you recorded would the concentration of the unknowns have been too high
When (R)-2-bromobutane reacts with NaOCH3, the product will have what stereochemical configuration?
E85 fuel is a mixture of ethanol and gasoline. What mass in kilograms of E85 (d=0.758g/mL) can be contained in a 14.0 L gallon tank.
A compound is found to be 30.45% N and 69.55 % O by mass. If 1.63 g of this compound occupy 389 mL at 0.00°C and 775 mm Hg, what is the molecular formula of the compound.
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
If 376 cm3 Of Gas Is Compressed To A Volume Of 0.0457 cm3 Under A Pressure Of 3.21 KPa, What Was The Original Gas Pressure?
What mass of zinc oxide can be produced from the reaction of 415 g zinc sulfide with 265 g of oxygen gas? The other product is sulfur dioxide.
The cooling water enters the condenser at 70°F and its temperature cannot increase more than 25°F as it passes through the condenser.
which molecule will undergo only London dipersion forces when interacting with other molecules of the same kind?
If you added 75ml of a 0.555M solution of NaCl to enough water to produce 950 ml of solution, what would be the resulting molarity?
Calculate the [H3O+] and the pH for a buffer that consists of 0.13 M HF and 0.29 M KF. (Ka of HF = 6.8x10^-4)
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