Battles over pure water or OIL?
One substance with hydrate your body ,
the other will dehydrate (a laxative)
Euphrates River
Tigris River
Who has the ultimate control of these waterways?
Sparklettes Water
Dr. Gergens - SD Mesa College
The Crystal-Fresh® Drinking Water ingredient label
says the following:
“Drawn from our deep protected wells in Santa Ana, CA.
Purified using our Crystal-Fresh process, including
filtration, ozonation, reverse osmosis, and/or
dionization. Contains purified water and specially
selected minerals in nutritionally insignificant amounts
for great taste (sodium bicarbonate, magnesium chloride,
calcium chloride and sodium sulfate).
Sparklettes Water
Dr. Gergens - SD Mesa College
Lets learn to write the correct formulas for these substances
(sodium bicarbonate, magnesium chloride, calcium chloride and
sodium sulfate) that Sparkletts ® adds to it’s purified water
In “nutritionally insignificant amounts for great taste.”
Sparklettes Wate r Nomen cla ture Exe rcis e: "Nu triti onal ly ins igni ficant amou nts of these co mpou nds adde d fo r goo d ta ste."
Dr. Gerge ns - SD Me sa Col lege
+
Supplemental packet page 76
–
1. Write th e na me e ach ca tion and each a nion (e.g ., Na
is sod ium ion; Cl is ch lorid e io n)
2. Say an d write the nam e of
the ion ic salt co mpou nd b y com bini ng e ach ca tion with each an ion in the table (e.g ., s odiu m
ch lorid e)
3. Compl ete the tabl e by writing in the i onic sa lt comp ound form ula in e ach ce ll o f th e ta ble (e.g., NaCl).
4. Whe n writi ng a form ula a catio n an d an ion must co mbin e in an appro priate ration to b alan ce cha rge; see exampl es o n
back.
anions (name these ions)
cations
(name these ions)
Na
+
sodium ion
Mg 2+
magnesium ion
Ca
2+
calcium ion
–
Cl
chloride ion
NaCl
sodium chloride
MgCl2
magnesium chloride
CaCl2
calcium chloride
SO4
2-
sulfate ion
Na2SO4
sodium sulfate
MgSO4
HCO3
–
hydrogen carbonate ion
NaHCO3
sodium hydrogen carbonate
Mg (HCO3) 2
magnesium sulfate magnesium hydrogen carbonate
CaSO4
calcium sulfate
Ca(HCO3) 2
calcium hydrogen carbonate
5. Predi ct the trans itio n me tal cation cha rge for iro n, Fe, i n th e io nic sal t Fe
2 (SO4 ) 3 , a nd p lace it in the cation box be low.
6. Give a name for Fe 2 (SO4 ) 3 . Since tra nsition meta ls can va riabl e charge ,
you m ust some how i ndicate metal cati on charg e
in its name .
3+
–
–
7. Write ad diti onal form ulas for the cation Fe
co mbin ed with th e an ions Cl an d HCO3 an d gi ve the ir compo und name s.
cation
iron (III) ion
FeCl3
iron (III) chloride
Fe 2 (SO 4 ) 3
iron (III) sulfate
Fe(HCO3) 3
iron (III) hydrogen carbonate
Acids . In g enera l, a sub stan ce that has an 'H' listed first in i ts formul a is refe rred to as an
acid . Na me the acid b ut p lace a prefi x
in its name di = 2, tri = 3, tetra = 4,
pen ta = 5, hexa = 6, hepta = 7, o cta = 8 , no na = 9, deca = 10 to in dicate the numb er of
hydrog ens in the formul a.
anions
cations
H+
hydrogen ion
give a common
name and use for
each acid
–
Cl
HCl
SO4
2-
H2SO4
HCO3
–
H2CO3
hydrogen chloride
hydrogen chloride
dihydrogen carbonate
hydrochloric acid
sulfuric acid
carbonic acid
stomach acid
car battery acid
carbonated water
Calculation of Oxidation State
Fe2(SO4) 3
We are looking for balance in charge
2+
2-
cation
anion
2+
cation
1+
1+
cation
11-
=
0
Fe
=
Fe
=
(SO4)2-
(SO4)2-
0
anion
2-
3+
3+
0
(SO4)2-
anion
iron (III) ion
total charge of positive 6
sulfate ion
total charge of negative 6
What must be the charge over the two iron ions to balance
the sulfate ion charges? ratio of 2 Fe 3+ : 3 (SO4) 2-
For Charge Balance: two iron(III) ions for every three sulfate ions
tutorial
http://homework.sdmesa.edu/dgergens/chem100/nomenclature/naming_practice.htm

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