Answer:
0.5 moles
Explanation:
to get the number of moles, you have to divide the mass by molar mass.
the molar mass of carbon-12 is 12 u.
6 / 12 = 0.5
you have 0.5 moles
Must be C because the liquid fuel is Codium nitrate to be used in rocket engines
Answer:
<em>0.15M</em>
Explanation:
Molar Concentration =
Assuming 20g of the unadulterated aluminium chloride was weighed into the volumetric flask, and given molar mass of AlCl3 = 133.34g/mol
∴ Molarity =
= 0.14999 ≈ <em><u>0.15M (to 2 significant figures)</u></em>
I hope this solution is clear. The same can be calculated from concentration by volume.