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1. Given that the density of a solution of H2SO4 is 1.1548 then calculate the molality of a 1.94 wt % solution of sulfuric acid?
2. Assume that A compound is found to contain 30.7% sulfur, 23.3% magnesium, and 46.0% oxygen then calculate empirical formula of this compound & molecular formula too?
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
Understanding of Chemistry basics - explain a situation that violates the second law of thermodynamics?
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
what would be the atmospheric pressure of MTBE in Pa If this sample were at equilibrium with atmospheric MTBE? KH = 1.7 M/atm.
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
Explain a resting nerve cell membrane, sodium-potassium pump, action potential and what wil happen if sodium channels were blocked
Multiple choice questions in Radioactive Decay - electron emitted from the nucleus during some kinds of radioactive decay is known
Determine the mass of snow that can be completely melted - Determine the mass of snow (frozen water) that can be completely melted with the application
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
While 1.22 g of a white solid, supposed of being pure cocaine, a molecular compound, is dissolved in 15.60 g of C6H6 the freezing point is lowered by 1.32 ¬0C. Compute the molar mass of the solid. Kf value for benzene = 5.12C/m.
To find the % by mass of a compound in a given sample - Determine the percent by mass of calcium carbonate in the sample. State any assumptions.
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