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Inorganic phosphorous is spectrophotochemically measured in blood serum by formation of a reduced heteropoly acid (heteropoly blue) and comparison of its absorbance with a standard treated by the same procedure. If a 1.00 mL blood serum sample gives an absorbance of 0.217, while a 2.00 mL aliquot of a standard containing 91.2 mg KH2PO4 per liter gives an absorbance of 0.285, calculate the milligram percent of P (milligrams per 100.0 mL) in the blood sample. Note: both aliquots are diluted to the same volume prior to absorbance measurements.
identify the functional group; and 3) and discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.
calculate the number of gramso f magnesium that can be produced by suipplying 1.00 F tot he electrode.
Derive the symmetries of the ligand σ orbitals for an octahedral complex. Draw the MO diagram for Cr(CO)6 showing σ bonding only.
A molecule can be polar or nonpolar depending upon the nature of the bonds and the shape of the molecule. For a molecule that has different outer atoms the molecular symmetry will decide the polarity.
what is the molarity of a solution made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 500 mL of solution?
Exact potential difference in the concentration cell, What will be the exact potential difference in the following concentration cells?
How much copper metal can be obtained by the single replacement reaction between copper (1) nitrate and 30.0g of iron metal. (iron (2) nitrate is formed.)
what is the name and formula for a compound with a composition percent of 77.7% Fe, 22.3% O and a molar mass of 71.85
A running automobile produces CO at a rate of 188g CO per hour. A car is left idling in a garage 5.2m long, 4.0m wide, and 2.2 m high at 20 degrees C. How long would it take to build up a lethal concentration of CO of 1000 ppmv?
If the titrant has a molarity of 0.2750 M and there are 45.00 mL of analyte present, what is the molarity of the analyte?
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2mL of water, a completely homogenous solution was formed. Draw the sturctures of the species present in the water.
Find the number of moles of water that can be formed if you have 174 moles of hydrogen gas and 82 moles of oxygen gas.
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