Answer:
A
Explanation:
Helium
esophagus……………..
it is actually b because i did this i picked b and got it right
0.33moles
RAM of;
Na = 23, H=1, C=12, O=16
molar mass of NaHCO= 23+1+12+16= 52g/mol
mole= mass / molar mass
mole = 17.31/52
mole= 0.33moles
