Respuesta :
Answer:
0.134 moles
Explanation:
In order to solve this, we need to find the molar mass of Chromium, which we can see from the periodic table: it is 51.996 g/mol.
Now, we need to set up an equation to convert grams to moles:
[tex]6.97 grams*\frac{1mol}{51.996grams} =0.134mol[/tex]
Thus, the answer is 0.134 moles of Chromium.
Explanation:
Step 1: Find how many moles
Formula → [tex]grams*\frac{1 mol}{51.996grams}[/tex]
[tex]6.97 g *\frac{1 mol}{51.996g}[/tex] ← The g's cancel and there is only moles left on top
[tex]0.13405... mol[/tex]
Answer: Rounded - 0.13405 moles of Chromium