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After 3 sublimation attempts your lab group has recorded the following mass values: attempt 10 43.9 grams, attempt 2)43.7 grams, and attempt 3) 43.7 grams. How many more attempts are necessary to sublimate all of the sublimable component?
Calculate the amount of 10% acetic acid you will need to add to 100.0 ml of your milk in order to bring the final acidity to 1.00% acetic acid.
What mass of magnesium chloride is needed to react with 145 g of silber nitrate accourding to the following reaction: MgCl2(aq)+2AgNO3(aq) -> Mg(NO3)2(aq) + 2AgCl
describe a procedure for measuring the density of a liquid such a t-butanol. your only available tools are a graduated
if a container is composed of h2 n2 and o2 gas with the partial pressures being .146 and .572 respectively what is the
Determine the molar mass of Freon -11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95 degrees Celsius, and 1,000 mmHg.
how many moles of bcl3 are needed to produce 25.0 g of hclaq in the following reaction?bcl3g 3 h2ol rarr 3 hclaq
Imagine a small electron-sensitive probe of volume 1.00pm^3 insterted into an H2+ molecule ion in its ground state. Calculate the probability that it will register the presence of an electron at the following positions
Determine the functional form of Phi(t) and the frequency of a pendulum bob whose mass is m and is attached to a massess rod of length l. Assume that the bob oscillates in the limit of small oscillations.
Copper sulfate is a blue solid that is used to control algae growth. Solutions of copper sulfate that come in contact with the surface of galvanized ( Zinc-plated) steel pails undergo the following reaction that forms copper metal on the zinc surf..
a solution has 41.7 transmittance in a cell with a pathlength of 1.00 cm. if the material responsible for the
for the reaction fe2o3s 3 cog ? 2 fes 3 co2g the enthalpy change is - 6.60 kcal. on the basis of this information
What volume of each of the following solutions contains the indicated amount of dissolved solute? 1.) 4.50g solute in 0.475 M KNO3 2.) 4.50g solute in 0.475 M AlBr3
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