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Smarth
Questions (6)
write the equation for the reaction of fecl2 with k3[fe(cn)6]???
0 answers
396 views
i combined agno3 with 25ml of tap water, and it turned faint blue
which ion is present in trace amounts in tap water but not in
2 answers
645 views
write the equation for the reaction of fecl2 with k3[fe(cn)6]???
0 answers
383 views
An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what
2 answers
1,582 views
a piece of nickel wire has a diameter of 0.568. if the nickel has a density of 8.90g/cc, how long( in meters) should you cut a
1 answer
1,057 views
a sheet of metal is 97.4 mm wide and 59.4 mm long. if it weighs 9.788g and the density of the metal is 7.23g/cm^3, what is the
2 answers
722 views
Answers (2)
"well, in the compound, it has 27.765grams, of which the metal is (27.765-2.809) grams, and the Br is 2.809 grams. " i don't understand this as you said br is 2.809 but the question says the unknown element is 2.809 grams?
density = mass over volume d=m/v sub in the values and solve for the density
