The activity series which metals lose their electrons more easily answer key

In the activity series, the metal that loses their electrons more easily are less reactive compared to metals that forms positive ions. In addition, an activity series is a list of substances in order from most reactive to least reactive and its relative reactivity can be determined by using a number of chemical reaction. Moreover, metals in the activity series need to lose their electrons, or be oxidized or some metals will tend to stay in their neutral state.

a. hope i'm right

explanation:

given:

mass of na = 115 g

excess cl2

to determine:

mass of nacl produced

explanation:

given reaction is-

2na(s) + cl2(g) → 2nacl(s)

since cl2 is in excess, na will be the limiting reagent

as per the reaction stoichiometry na: nacl = 1: 1

i.e. moles of na reacted = moles of nacl formed

now, # moles of na = mass of na/atomic mass

                                  = 115 g/23 g.mol-1 = 5 moles

therefore, moles of nacl = 5

molar mass of nacl = 58 g/mol

mass of nacl = 5 moles * 58 g.mol-1 = 290 g

ans: amount of nacl produced = 290 g