What initial volume of a \( 15 \%(\mathrm{~m} / \mathrm{v}) \) mannose solution is needed to prepare 125 mL of a \( 3.0 \% \) \( (\mathrm{~m} / \mathrm{v}) \) mannose solution?

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

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) that 1) its molecular shape is different from its electron group shape, and/or 2) the central bonds are not identical. NH3 BF3 PFF PF3

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