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zacky
Questions (6)
Using data in table below and S °(CaSO4·H2O(s))= 194.0 J·mol-1·K-1, calculate Delta fS° for CaSO4·H2O(s) in J·mol-1·K-1.
0 answers
612 views
A 0.010 M solution of a weak monoprotic acid has a pH of 3.70. What is the acid-ionization constant, Ka, for this acid?
a. 2.0 ´
1 answer
1,365 views
Which one of the following mixtures is suitable for making buffers?
1 H3PO4 and NaH2PO4 2 Na2CO3 and NaHCO3 3 NH4Cl and NH3 a. 1
1 answer
835 views
Which of the following is a weak electrolyte in aqueous solution?
a. H2SO3 b. HNO3 c. HBr d. HClO4 e. NaOH
3 answers
2,906 views
Which of the following is a weak electrolyte in aqueous solution?
a. acetic acid b. lithium acetate c. ammonium carbonate d.
2 answers
693 views
coleen hid a coin equivalent to a fraction of a dollar behind her back. She said the fraction is smaller than 1/2 and greater
2 answers
557 views
Answers (2)
The answer is H2SO3 since it is formed from SO2 reacting with H2O
choose the one with the ions present cause Cu+2+2OH- and so on it gives you CuO(s) and H2O(L)
