A). Calculation: Given mass of Au * 1mol of Au/molar mass of Au= # of moles
;
57.01 g Au*1 mole of Au/196.97g Au=0.3 moles of Au. So the answer is 0.3 moles of gold(Au). Good luck on the rest, and message me on Brainly if you need more help. I'll be happy to.
C --> He collected a vast amount of data and observations that fueled later theories
<span>The answer is an
allergy. The allergy could cause the eyes
to be watery and to itch, sneezing and coughing, and a runny
nose. This is as a result of the mold fungi releasing numerous spores in the
air that enter the airways. Allergy is an immune response to the foreign bodies (spores) that have entered your
body. </span>