Answer:
<h2>8.89 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer as
<h3>8.89 g/mL</h3>
Hope this helps you
That is actually physics because it talks about motion.
Condenser Lens - This lens system is located immediately under the stage and focuses the light on the specimen.
The frequency stays the same it just gets louder
Al is the reducing agent.That is answer B is the above answer
Al acts as a strong reducing agent. It reduces crO3 to form cr while Al is oxidized to Al2O3. Al is capable to reduce cr since Al is higher in reactivity series than cr.