bécher. 2.6 Les cristaux d'acide oxalique sont hydratés \( \left(\mathrm{C}_{2} \mathrm{H}_{2} \mathrm{O}_{4} ; \mathrm{xH}_{2} \mathrm{O}\right) \) où \( x \) est un entier. Préciser la valeut \( x \).

Based on your worksheet results, please match the following: [he molecular shape of NH 3 is [Choose ] [Choose ] [Choose ] [Che molecular shape of BF3 is [Choose] The molecular shape of PF3 is

Please select the molecule(s) with resonance structures from the following. CCl 4 CHCl 3 SO 3 H 2 O None

Please select the molecule(s) with double bond(s) from the following. \( \mathrm{CCl}^{2} \) CHCl 3 CO 3 H 2 O None

Please select polar molecule(s) from the following. \( \square \mathrm{CCl} 4 \) \( \square \mathrm{CHCl} 3 \) \( \square \mathrm{CO} 3 \) CO 2

Please select polar molecule(s) from the following. NH3 BF3 PF5 PF3