Answer:
The molar mass of copper (II) nitrate is 187.5 g/mol.
Explanation:
The molar mass is the mass of all the atoms in a molecule in grams per mole. To calculate the molar mass of a molecule, we first obtain the atomic weights from the individual elements in a periodic table. We then count the number of atoms and multiply it by the individual atomic masses.
Answer: a,b
Explanation: because a scientific theory is something that been thought of and tested multiple times.
5 Na molecules and 5 Cl molecules
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https://www.eiu.edu/biology/bio1500/writing_a_lab_report.pdf
