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calculate the number of grams of acetic acid per 10ml of the vinegar. Since vinegar has a density of about 1.00 gram/ml, 100 ml eighs about 100 g. thus this calculation also gives the percent by weight of acetic acid in the vinegar. compare with manufacturers and calculate the percent error.
What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts? Assume that all the NaCl dissolves in the melted ice and that the van' Hoff factor for the resulting solution is 1.44.
when 2.45 g of an unknown weak acid ha with a molar mass of 85.0g mol is dissolved in 250.0g of water the freezing
If you are uncertain as to which layer in the separatory funnel is aqueous when extracting an aqueous solution with an organic solvent, how could you settle the issue
describe the molecular geometry of formic acid in terms of hybrid orbitals,bond angles and sigma and pi bond, and how many lone pairs are in the molecule.
Write a balanced overall equation for each isomer of stilbene (cis and trans)
Consider the compound (Z)-3-hexene (B). Draw the bondline structures of the isomers of this compound in the manner requested. i) an isomer E that is the most reactive or reacts at the fastest rate during an addition reaction.
2.0 mL ethanol with 1.0 mL ethylene glycol (HOCH2CH2OH) calculate the theoretical vapor pressure at room temperature for the solution above. using raoults law
Crystalline potassium bromide has a rock salt structure and a density of 2.75 g/cm^3. Calculate its unit-cell edge length.
An empty volumetric flask, weighing 60.42 grams, weighed 309.60 grams when filled with water. After emptying the water and drying the flask
A sample of oxygen is collected by water displacement at a temperature of 35C when the barometric pressure is 752 mm Hg. What is the partial pressure of the dry gas?
Lead (2) nitrate reacts with potassium iodide to produce lead (2) iodide and potassium nitrate. if 1.23mg of lead nitrate are consumed, what is the mass of the potassium nitrate produced?
a metal sample weighing 45.0 grams and at a temperature of 99.1 degrees celsius was placed in 38.6 grams of water in a
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