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1. Perchloric acid is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
2. Phosphate ion is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
3. H2C2O4 is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
4. Hydrobromic acid is a strong acid. Calculate the pH of a 8.5 x 10-3 M solution of this acid. Provide an answer correct to 2 significant figures.
5. Calculate the pH of 1.52 grams of nitric acid dissolved in 575 mL of water. Provide an answer correct to 2 significant figures. Provide an answer correct to 2 significant figures
6. Calculate the pH of 5.00 mL of 0.25 M perchloric acid that has been diluted to 50.0 mL.Provide an answer correct to 2 significant figures
a nurse has to administer a 1000ml iv solution in 8 hours. find the number of drops per minute knowing the iv solution
Using 3.2 g bromobenzene. Calculate the number of grams of Mg required if you need a molar equivalency of 1.25. Then calculate the amount of benzaldehyde
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
Predict which of the following liquids has greater surface tension: ethanol (C2H5OH) or dimethyl ether (CH3OCH3).
A ballon is filled with H2 gas and has a pressure of 1.10 atm, volume of 10.2L, and a temp of 298 K. How many grams of H2 gas are in the sample
the vapor pressure of chloroform is 40.0 torr at -7.1 degree celsius. its enthalpy of vaporization is 29.2 kjmol.
An unknown compound with a molecular formula of C8H18 reacts with chlorine in the presence of light and heat
Explain why there is a direct relationship between the concentration of a solution and a solution's absorbance of light. Why do difference solutions absorb specific wavelengths of light and not all wavelenghts of light
What is the [H3O+] for a buffer solution that is 0.250 M in acid and 0.600 M in the corresponding salt if the weak acid Ka = 5.80 x 10-7? Use as example the following equation of a conjugate acid-base pair
how does direct current break apart water molecule? Does the DC current fill the outer shell full of electrons making a weaker attraction so hydrogen seperates from oxygen?
Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide in DMSO
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge?
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