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A solution is known to contain Bi3+ ion or Cd2+ ion or both. Describe the test(s) that could be used to seperate and identify these ions. Describe the results you would expect to see for each ion, if that ion were present.
Which way should the equilibrium shift when HCl is added? How do your results support your answer . Which way should the equilibrium shift when Na2EDTA is added? How do your results support your answer?
the freezing point of benzene is 5.5oc. what is the freezing point depression of a solution of 5.00 g naphthalene c10h8
Consider the following reaction, where X represents and unknown element. 6X(s) + 2B2O3(s0 = B4X3(s) + 3XO2(g) If 165 grams of X reacts completely with diboron trioxide to rproduce 2.29 mol of B4X3.
30.0 mL of 0.10 M Ca(NO3)2 and 15.0 mL of 0.20 M Na3PO4 solutions are mixed. After the reaction is complete, which of these ions has the lowest concentration in the final solution. (A) Na+ (B) NO3- (C) Ca2+ (D) PO43- answer is C. WHY.
Cobalt-60 is commonly used as a source of B-particles. How long does it take for 87.5% of a sample of cobalt-60 to decay, given that the half-life is 5.36 years?
Calculate the concentration of the NaOH solution. The reaction between HCl and NaOH is as follows: HCl + NaOH -> NaCL + H20
The compound, an eight-carbon alkane, serves as the 100 octane standard for gasoline. It has five methyl groups, one quaternary carbon, tests negative for C-C double bonds and gives four monochloro substitution products
A sucrose (table sugar, molar mass 342 g/mol) solution was made by dissolving 68.2g of sucrose in 800 g of water. What is the freezing point of this solution if Kf of water is 1.86 degrees C/Molal?
If a 1,2-diol is subjected to a periodic acid test, a white solid will form when silver nitrate is added. What is the identity of the white solid?
If a 10.00mL sample of unknown concentration of HF is titrated with 28.94mL of 0.1040M NaOH
acetylacetone acac forms a trisacetylacetonateiron iii complex i.e. feacac3 in aqueous solution. a 5 ml aliquot of
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
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