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Problem- A 25 mg brass sample was placed in a 25 mg flask meassured at 35% use your graph to determine mass percent
I am in rush anybody is there to provide me the answer in quick phase
Instead of Calcium, oxalate ions can as well be precipitated using barium ions. Define how using barium ions instead might affect the mass of precipitate obtained. Greater. Less. Why
Given the three isomeric alcohols, 2,2-dimethyl-1-butanol, 2-methyl-2-pentanol, and 2-methyl-3-pentanol, which are chiral
Barium metal crystallizes in a body centered cubic lattice. the unit cell edge length is 502 pm and the density of the metal is 3.50g/cm3. using the information, calculate the avogadros number. assume 68% of the unit cell is occupied.
The distribution coefficient, K= conc. in ligroin/conc. in water, between ligroin and water for solute A is 7.5. what weight of A would be removed from a solution of 10g of A in 100 mL of water.
if 76g of Cr2O3 and 27 g of al completely react to form 51 g of Al2O3 how many grams of Cr are formed?
A buffer was made by mixing 0.1488 moles of HCO2H with 0.1800 moles of NaHCO2 and diluting to exactly 1 liter. What will be the pH after addition of 10.00 mL of 0.2412 M RbOH to 50.00 mL of the buffer
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable ?rst approximation.) The combustion of carbon is described by the equation
Problem- Arrange the oxides in each of the following groups in order of increasing basicity- K2O Al2O3, BaO. Explain how you figured this out.
What does ozone do that oxygen (or any other molecule) do? How? Ozone is created in what is believed to be a two-step process. It is destroyed naturally in one of two pathways. What are those reactions? On Your Own: What is the role of UV in the d..
a student titrated a 10 ml sample of a saturated solution of borax. if the titration required 23.95 ml of 0.2556 m hcl
How many milliliters of water must be added to a stock solution of 6.00 M HNO3 in order to prepare 500 mL of 0.200 M HNO3 by dilution.
The following sequence of reactions is a good way to convert 1-alkylcyclohexene to a 3-alkylcyclohexene. Draw structural formulas showing stereochemistry for each step of the reaction sequence and show why it gives the desired product.
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