a. NaCN
b. FeCl3
c. Na2SO4
d. K2CO3
e. Cu(OH)2
f. LiNO3
How do I find the answers. Explain how letter b is Iron(III)chloride. What do I do for ones like c and d with all of the numbers?
2007-09-16 05:02:39 · 4 answers · asked by Average Joes 4 in Science & Mathematics ➔ Chemistry
a) sodium cynide
b) iron (lll) chloride
c) sodium sulphate
d) potassium carbonate
e) copper (ll) hydroxide
f) lithium nitrate
it is very hard for me to explain the second part of the question cos it will take up a lot of space.
so i shall explain how iron is Fe+3..
ONLY transition elements like iron and copper, you need to put the number when you name the compound. example Iron (lll) chloride
chloride is the second most electronegative element in the periodic table. so unless it is bonded to fluorine, it will ALWAYS have a charge of minus 1.
working to find charge of iron, Fe.
let charge of iron to be x...
x+ 3(-1)=0
x=+3.
therefore, it is iron (lll).
IF it is =+2, it is then iron (ll)
2007-09-16 05:07:31 · answer #1 · answered by destiny 3 · 1⤊ 0⤋
a. sodium cyanide
b. iron (III) chloride / ferric chloride
c. sodium sulfate
d. potassium carbonate
e. copper hydroxide
f. lithium nitrate
2007-09-16 05:14:59 · answer #2 · answered by ang_katie 1 · 0⤊ 1⤋
There are 2 sulphates of copper. Cu2SO4, copper I sulphate and CuSO4 copper II sulphate.
2016-05-21 00:41:37 · answer #3 · answered by ? 3 · 0⤊ 0⤋
look it up on wikipedia.com
much easier
2007-09-16 05:06:31 · answer #4 · answered by Anonymous · 0⤊ 1⤋