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Problem- A solution is prepared by dissolving 125 g sucrose (C12H22O11) in 135 g H2O. Calculate the mass % of sucrose in the solution.
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How many grams of Sodium Preoxide are needed to produce 3.20 grams of oxygen. How many grams of phosphoric acid are needed to produce 3.75 grams of calcium phosphate
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
CH3SH, has a substantial dipole mement (1.52) even though carbon and sulfer have identical electronegativities.
Based on the following chemical equation 2C6H6 + 15O2 12CO2 + 6H2O calculate the number of moles of CO2 that will be produced
Cesium atoms are the largest naturally occurring atoms. The radius of a Cs atom is 2.62angstroms. How many Cs atoms would have to be laid side by side to give a row of Cs atoms
an aqueous solution of a certain organic compound hasnbsp an osmotic pressure of 12.16 atm at 250c a density
Hypochlorous acid, HOCl, is a weak monoprotic acid. Using the information for this acid in Appendix F, calculate the pH (round to one decimal) and the percent ionization
Alkenes and non conjugated dienes usually have absorption maxima below 200nm. Compounds that have conjugated multiple bonds have maxima at wavelengths longer than 200nm.
Calculate the synthesis of one mole of H2S from H2 and S2 gases. the decomposeosition of one mole of H2S gas
Calculate the (a) weight fraction (b) mol fraction (c) mol percent of each component (d) mass of 5 moles of the mixture.
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide.
The problem reads as Pure nitrosyl chloride (NOCL) gas was heated to 240 C in a 1.00-L container. At equilibrium the total pressure was 1.00atm and the NOCL pressure was .64atm. 2NOCL (g) ? 2NO (g) + Cl2(g)
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