How many moles of fluoride gas are needed to react with 42 grams of NaCl? 2NACI(aq) + F2(g) —> 2 NaF(s) + CI2(g)

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

level 4 to level 2 : ))

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;