Answer:
The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Aluminium, or 26.981538 grams.
Answer:

Explanation:
Hello,
In this case, due to the volume displacement caused the by the object's submersion, it's volume is:

In such a way, considering the mathematical definition of density, it turns out:

Rounding to the nearest tenth we finally obtain:

Regards.
Cp stands for specific heat.
Arrhenius Bases, so that other compounds that have the hydroxyl group (OH⁻)
hope this helps!