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If a single molecule of a substance weighs 7.64 x 10-23 g, what is its molar mass?
What is the net ionic equation for the following redox reation in basic solution? CrO4{2-} oxidizesHSnO3{-} and reduces to CRO2{-}
Transesterification occurs when an alcohol (in excess) reacts with an ester. Draw the skeletal structure of the ester formed when ethyl propanoate (propanoate = propionate) reacts with 1-propanol.
how would the molarity be affected by the followingcircumstances i.e. would it be higher than the true value lowerthan
An aqueous solution of 2.76 M ethanol has a density of 0.978 g/mL. What is the mass percent of ethanol
A 0.2365 g portion of this metal is dissolved in nitric acid and the silver ions precipitated with excess NaCl. After filtering and drying the mass of the precipitate is found to be 0.2865g. 1) What is the purity of the original metal
Solubility of Mg(OH)2 in water is 9.0z10^-4 g/100mL. What volume of .006 M HNO3 is required to neutralize1.0L of saturated Mg(OH)2 solution
Calculate K for the reaction between glutamate and ammonia. (The standard free energy change for the reaction is +14.2 . Assume a temperature of 298 K.
when companies sell compressed gas in steel cylinders they usually quote the contents as volume of gas at 1 atm
If you are titrating 25.00 mL of a 1.00 mg/mL CaCO3 solution, how many mL of 0.010 M EDTA solution will be required to reach the equivalence point
A sample of gold weighs 1.2 oz. The sample is pounded into a thin rectangular sheet with an area of 400. sq. ft. The density of gold is 19.3 grams per cm3. What is the thickness of the foil in centimeters
What might have happened if the temperature of the oven were set to 210 degrees
calculate the molarities of solutions that contain the following masses of solute in the indicated volumes a 25.8 g of
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