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Table salt (NaCl) and sugar (C12H22O11) are accidently mixed. A 5.00 g sample of the mixture is combusted, and 1.80 grams of CO2 are produced. What is the mass percent of sugar in the mixture
how to find the molar concentration of a soloution of phosphoric acid if 17.8 mL of it neutralizes 20.0 mL of 0.050 mol/L calcium hydroxide.
We place 1.32 mol PCl5 in a 1.0 L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask?
A 1.6 g sample of a molecular compound is dissolved in 104 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51degreesC, the normal boiling point of CCl4 is 61.2degreesC. The boiling point constant for ..
Describe the process design and application - Water and Wastewater Treatment
oxidation of gaseous CIF by F2 yields liquid CIF3. Use the following thermochemical equation to calculate delta H reaction for the production of CIF3
construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good.
The kidneys function to eliminate ammonia from the blood. Based on the pK value, what is the molecular form that predominates in the blood? Could this molecule easily diffuse through th ehydrophobic lipid membrane of a kidney cell? Explain.
At what pH will a solution 0.15 M Cu2+ begin to precipitate as Cu(OH)2? The Ksp for Cu(OH)2 is 1.6 × 10-19.
Describe the preparation of 1L solution of 0.02M Tris buffer, PH 7.8. 3. What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer,PH 5.0?
Why is it important to not dilute an initial sample before it hasbeen loaded
Give the structural formula of the lewis-acid base complex which consists of one mole of phenylmagnesium bromide and two moles of diethyl ether.
If 2.61 g of methane gas (CH4) is introduced into an evacuated 1.67 L container at 15°C, what is the pressure in the container?
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