Atomic mass=no of neutron+no of electron
Atomic mass=25+30
Atomic mass=55
Answer:
Explanation: I think its 4.91 x 10^25. Im not very sure, i just multipled 1.15 mol by the molar mass of Cl 2, which was 70.9 g. Then I multiplied that by avogadro's number. sorry if im wrong
Answer:
The technique is called weighing by difference
