H2 Unit 3 Lab Report
Unit 3 – Virtual Labs
Letizia Schianodicola
Lab #1 – Atomic Weight of Magnesium 1. Moles of hydrogen evolved, from chemical property dialog for beaker: a. 0.000411 mol H2 2. Calculate the atomic weight of Magnesium. Atomic weight of Mg = weight of Magnesium/moles of H2. b. 59,136.253 g/mol Mg
(24.305 - weight of Mg / 0.000411 mol H2) 3. Calculate the # of molecules of H2 that were produced in the reaction – use Avagadro’s number – remember units! c. 2.47510016 × 1020 # of molecules of H2
(Avagadro’s number * moles of H2) 4. Calculate the # of atoms of Magnesium that were involved in the reaction – use Avagadro’s number – remember units!
Letizia Schianodicola
Lab #1 – Atomic Weight of Magnesium 1. Moles of hydrogen evolved, from chemical property dialog for beaker: a. 0.000411 mol H2 2. Calculate the atomic weight of Magnesium. Atomic weight of Mg = weight of Magnesium/moles of H2. b. 59,136.253 g/mol Mg
(24.305 - weight of Mg / 0.000411 mol H2) 3. Calculate the # of molecules of H2 that were produced in the reaction – use Avagadro’s number – remember units! c. 2.47510016 × 1020 # of molecules of H2
(Avagadro’s number * moles of H2) 4. Calculate the # of atoms of Magnesium that were involved in the reaction – use Avagadro’s number – remember units!