Answer:
Molecular formula = S₂O
₆
Explanation:
Given data:
Empirical formula = SO₃
Molecular formula = ?
Molecular mass = 152 g/mol
Solution:
Molecular formula = n (empirical formula)
n = molar mass of compound / empirical formula mass
Empirical formula mass = 80 g/mol
n = 152 g/mol / 80 g/mol
n = 2
Molecular formula = n (empirical formula)
Molecular formula = 2(SO₃)
Molecular formula = S₂O
₆
A. 3<span> chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite.</span>
Electrons are usually the smallest unit in a compound.
Answer:
gypsum
Explanation:
gypsum is used to make plaster of Paris