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1) A solution is 9.60%(w/w) and contains 25.0 gm of salt. How much water is in the solution, and what would be a reasonable estimate of volume of solution?
2) What would be the concentration(%wt/wt) of 6.75 of salt added to 35.5g of water
3) How much water would be in a solution of 75.0g NaCl with a concentration of NaCl with a concentration of 3.2m? (atomic weight Na=23gm, Cl=35.5 gm)
4) how many mols of nitric acid would be in 1450ml of an acid solution with a density of 1.42 and assay of 70%(wt/wt)
Aluminum will act as the stronger reducing agent and iron will act as the stronger oxidant. In the spontaneous reaction, the oxidation number of iron will increase.
Which of the folowing statements relative to IUPAC nomenclature for alkenes and cycloalkenes is INCORRECT. a.the position of a double bond in a parent chain is given by a single number.
A three-step industrial process involves both heat and work. Calculate the overall change in energy DE for the entire process, given these three individual steps.
a 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg c. what is the final temperature of the water after
Calculate the final temperature when a 22.0 gram sample of ice at 0oC is placed into a styrofoam cup containing 113 grams of water at 77.1 oC. Assume that there is no loss or gain of heat from the surroundings.
the enthalpy of vaporization of ethanol i 43.5 kjmole at its normal boiling point of 352 k. using avalue of the molar
the velocity of flow toward the sphere along the longitudinal axis is found to be u=-U0(1-r0^3/x^2) where r0 is the radius of the sphere and x is the distance from its center. determine the acceleration of an air particle on the x-axis upstream of..
calculate the solubility of potassium bromide at 23 degrees celuius.assume that the solubility increases by an equal amount for each degree between 20 and30 degrees
A soft drink contains an unknown amount of citric acid, C3H5O(COOH)3. 10.0ml of the soft drink requires 6.42 ml of 9.580 x 10^-2 M NaOH to reach the equivalance point in the following reaction.
A compound containing only C, H, and O, was extracted from the bark of a sassafras tree. The combustion of 91.3 mg produced 248 mg of CO2 and 50.8 mg of H20. The molar mass of the compound was 162 g/mol. Determine its empirical and molecular formu..
What polypeptide would be synthesized from the following template strand of DNA:3' CGG AGA CGG ACG 5'. What is the amino acid sequence that is coded by mRNA sequence 5' AAG GCU AGU GGC 3'
degrees celsius was added to an insulated vessel containing 50.0 g ice and 25.0 g water at 0 degrees celsius. What mass of liquid water is present in the vessel at the end?
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