Considering the factors that affect gravitational pull, in which location would the gravitational pull from the earth be smallest on you?
a) visiting friends at the beach
b) visiting santa on the second floor of the mall
c) visiting uncle chrissy in the himalayan mountains
d) visiting cousin snelfu in his submarine at the bottom of the ocean

C

Explanation:

) visiting Uncle Chrissy in the Himalayan Mountains

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

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