Look kid, this question has been up for 2 hours think its time to let it go......... hoped i helped. ✔verified✔
Answer:
The exposed metal rusts is an example of a chemical change because rust is an example of a chemical change in objects for example bicycles, scooters, etc.
Answer is 334.35 g.
<em>Explanation:</em>
n = m/M
Where n is the number of moles of given substance (mol), m is the mass (g) and M is the molar mass of the substance (g/mol).
n = 3.99 mol
m = ?
M = 83.798 g/mol
By applying the formula,
3.99 mol = m / <span>83.798 g/mol
</span> m = 3.99 mol x <span>83.798 g/mol
</span> m = 334.35 g
Answer:
d
Explanation:educated guess