Read the prompt and study the diagram. What cause and effect prediction can be used to test the assumptions in the model? A)
with more sunlight the plant will produce less oxygen
B)
with more sunlight the plant will use less carbon dioxide
C)
with less sunlight more sugar will be produced by the plant
D)
with more sunlight more sugar will be produced by the plant

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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c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

i wish i could but this one is weird give me abc and i can solve it.