82.1 I think that’s the correct answer
Answer:
the sketch of the molecule
Explanation:
the chemical formula can only provide the type and number of different elements/compounts in the molecule, but there are lots of different ways they could arrange depending on the formula. A sketch of the molecule would show what type of bonds might be happening and where the elements are located in the compound.
Answer:
N, B, Be, C
Explanation:
N (Nitrogen) has 14.0067 B (Boron) has 10.81 Be (Beryllium) has 9 and C (Carbon) has 12
Answer:

Explanation:

Data:
Actual yield = 16.8 g
Theoretical yield = 49.7 g
Calculation:

Answer:
b) H2CO3
Explanation:
The conjugate acid of HCO3– is Carbonic acid (H2CO3).