Answer:
trigonal planar
Explanation:
Tri=three, three-dimensional arrangement of the atoms that constitute a molecule.
The answer is B. Below freezing
The answer would be the last one- it separates dissolved substances.
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According to avogadro constant, the number of units in one mole of any substance contain 6.022 x10 ^23 atoms
therefore the number of o atoms in one mole of CuSO4 = 6.022 x 10 ^ 23
A is the correct awnser Beacuse it ether right kne
