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(a) Calculate the molar concentration of ethanol in an aqueous solution that contains 2.30g of C2H5OH in 3.50L solution.
(b) Describe the preparation of 2.00L of 0.108M BaCl2 2H2O.
the method of initial rates involves substituting the initial reactant concentrations into rate calculations. when you
a sample of gas occupies 1.40 X 10 cubed mL at 25 degrees celcius and 760 mmHg. what volume will it occupy at the same temperature and 380 mmHg? which gas law is being used.
In an experiment 1.65g of lead(ii) nitrate react with .327g of zinc. What is the mole relationship between the lead nitrate and the zinc.
Draw and exlpain using representation of molecular orbitals the structure and bonding found in ethane; indicate clearly the structure
The solubility of benzoic acid in water is 6.80g per 100mL at 100 degrees Celcius. Calculate the minimum volume of water needed to dissolve 1.00g benzoic acid at 100o^C
When hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
Perform the various calculations with your collected data as listed in the lab's observations section and compare your results with the literature values by calculating your percent error for each of the metals.
The antibacterial agent sulfamethoxazole is an unionized acid with a pKa of 5.0. What is the ratio of this drug in buffered gastric fluid of pH 3.0. What is the percent ionized to unionized
A chemist wants to make 6.5 L of a 0.270 M solution. What mass in grams should the chemist use?
Given the following equation, how many grams of PbCO3 will dissolve when 5.0 L of 1.50 M H+ is added to 6.00 g of PbCO3
Gasoline currently powers the majority of automobiles in the U.S. but electric cars have been touted as a way to reduce our dependence on gasoline as well as improve our air quality by reducing production of byproducts associated with gasoline com..
the vapor pressure of pure water at 25 degc is 23.8 torr. what is the vapor pressure torr of water above a solution
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