Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
1) A 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M LiOH. Determine the pH of the solution before the addition of any LiOH.
2) A 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M LiOH. Determine the pH of the solution after the addition of 100.0 mL of LiOH.
At standard temperature, a gas has a volume of 241 mL. The temperature is then increased to 138C, and the pressure is held constant. What is the new volume?
Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to 3.9°C when 4.27 g of the substance is dissolved in the water.
If 155 of wet is collected over water at 24 and a barometric pressure of 738 , how many grams of have been consumed? (The vapor pressure of water is 22.38 .)
what is the total mass in grams of a series of samples that have masses of 753mg,
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 46.06 gram sample of a hydrate of MnSO4
The mole fraction of benzene in the solution is 0.590. Assumeing ideal behavior, calculate the mole fraction of toluene in the vapor above the solution.
To make a phosphate buffer at pH 9.6 starting with 1L of 10 mM phosphoric acid (H3PO4; pKs are of 2.15, 6.82, and 12.38 determine how much KOH ), you could add?
Determine the empirical formula and the molecular formula of the organic compound. empirical and molecular formula
ow many stereo-isomers would there be if a molecule had four chiral centres, Rank the different carbocations in order of their stability.
di ethyl ethal is a volatile, highly inflammable organic liquid that is used mainly as a solvebt. the vapour pressure of di ethyl ethal is 4.01mmHg at 18 degree celcius.
what is the concentration of sodium ions in the resulting solution?
what is the minimum rate that fresh air has to be supplied to the room so that the concentration of CO2 in the room doesn't exceed 0.500% by mole? Assume the room is well mixed, and the volume of the solid dry ice does not change. mol air/min
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd