Calcule cuántos moles hay en 3,0 g de helio (He). Considere la masa molar (MM)del helio como 4,0 g/mol. * 1 mol
2 mol
0.65 mol
0.75 mol

The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be: