I really need help with #3 1. Determine the mass of four 100mL volumetric flasks.

2. In each flask prepare one of the following sucrose solutions: 0.0625M, 0.125M, 0.250M, and 0.500M.

3. Determine the mass of each solution then calculate the density of each solution.

*is there a formula I’m supposed to use? I don’t understand anything and this is due at 11:59pm

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

Give the orbital configuration of the phosphorus (p) atom.

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o