What is important sulfate salts ? (name 3)
Na2S04.10H20 - Glauber salt, MgSO4.7H20 - Epsom salt, CaS04.2H20 - gypsum, BaSO4- barite, KAI(SO4)2•12H20 - potassium alum, CuSO4.5H20 - copper (Il) sulfate pen
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Highest oxidation state of sulfur ?
+6
Which of the following element has a zero valency?
Helium
Which element is first in the periodic table?
H
What are the effects of sulfuric acid on metals?
Sulfuric acid is corrosive to metals and can cause them to dissolve, forming hydrogen gas and metal sulfate compounds.
Sulfate chemical formula
SO4 (2-)
how many elements are in the periodic table
118
how many groups are in the periodic table?
18
Sulfuric acid strong or weak acid ?
Strong acid
Sulfuric acid as food addictive
E513
Balance H2O + SO4 = H2SO4 + OH -
2H2O + SO4 → H2SO4 + 2OH
Does sulfate react with sulfuric acid?
There will not be any chemical reaction between the two.
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What is the sulfate in sulfuric acid?
hydrogen sulfate ions (HSO4−)
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Sulfuric acid molar mass ?
98,079 g/mol
Elements that have similar properties will have the same __________ on the periodic table.
group
Sulfuric acid chemical formula
H2SO4
Sulfate molar mass ?
96,06 g/mol
Atom what is it?
The smallest particle of a chemical element, consisting of a nucleus and electrons
Where Sulfate use ?
SO4 - sulfate - is widely applied in fertilizer production, water purification, medical preparations, and as a food additive.
H2SO4 how also called
Hydrogen sulfate