Answer:
1.66 g/mL
Explanation:
p = m/v
To find the density of an object, you need to divide its mass by the volume.
p = 14.01/ (33.6-25.2)
p = 14.01/ 8.4
p = 1.66
The correctly drawn lewis structure for boron is B! To draw the lewis dot structure, you need to find the number of valance electrons (boron has 3) and then put a dot for each valance electron around the symbol for the atom. However, instead of putting three in different rings you're going to smush two together, so it has some sort of stability shown.
Answer:
686.43363984 is the answer when 7.8 moles is converted.