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a solution containing 4.2 g of KOH and Ca(OH)2 is neutralised by an acid . if it consumes 0.1 equivalent of acid , calculate composition of sample in solution.
What volume of gold would be equal in mass to a piece of copper with a volume of 140.0 mL? The density of gold is 19.3g/mL; the density of copper is 8.96 g/mL.
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
Lithium is the least dense metal known (density: 0.53 g/cm3). What is the volume occupied by 5.90 multiplied by 103 g of lithium
How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution? Show all of the work needed to solve this problem.
How Many Grams of CaCl2 should be dissolved in 500 ml of water to make a .20 M solution of Calcium Chloride
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br
In molar chemistry, the number of moles of solute present in 1 kg of a solvent is called its?
In the reaction of one mole of chlorine with methylcyclohexane, 3 monochloro- isomers may be formed. name/ draw the structures of the 3 isomers. Calculate the percentage distribution of each isomer.
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters pe..
If a face centered cubic unit cell has a volume of 1.477 x 10 to the eighth power pm cubed and the ions at the corners touch the ions on the face, what must the ions radius
when 25.0 ml of 0.500 m h2so4 is added to 25.0 ml of 1.00 m koh is a coffee cup calorimeter at 23.50 degree celsius the
Utilize symmetry considerations determine all coefficients in the hybrid orbital equations for linear sp hybridization
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