Determin the acid content of the vinegar as wt. %
A 50.0 mL sample of vinegar (density = 1.06 g/mL) was diluted to 500.0 mL. Titration of a 50.0 mL aliquot of this solution required 42.5 mL of 0.0900 M NaOH to reach the end point. Determin the acid content of the vinegar as wt. % acetic acid.
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Consider a one dimensional crystal with a total of six atoms, each with mass m, seperated by a lattice constant of 0.5 nm, with the two end atoms fixed.What is the ratio of the maxium allowed wavelength to the minimum allowed wavelength?Calculate
The number of women-years of exposure is less than for established methods and all available evidence should be considered before prescribing new products.
Assume that the density of the solution is 1.00 g/cm3. Calculate the mass percent, molarity, molality, and mole fraction of NaCl.
Calculate the molarity of the following solutions:
A 50.0 mL sample of vinegar (density = 1.06 g/mL) was diluted to 500.0 mL. Titration of a 50.0 mL aliquot of this solution required 42.5 mL of 0.0900 M NaOH to reach the end point. Determin the acid content of the vinegar as wt. %
What is the primary growth front? What is the secondary growth front? What happens when they approach each other? What happens to both once an individual reaches maturity?
At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
If a computer executes instructions to sum the contents of memory cells 2 and 999 and store the result in cell 0,what would then be the contents of cells 0,2,and 999?
The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 295 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)
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