Answer:
1.) zinc and aluminum
2.)
a.) The old coating was made of <u>tin.</u>
b.) <u>Aluminum</u> would be a good choice for repairing the fracture.
First divide 451g by kryptons molar mass
451g/84gmol= 5.369047619moles
Then multiply 5.369047619moles by 22.4L(volume 1 mol of a gas occupies at STP)
5.369047619moles x 22.4L= 120.26L
Answer: 120.26L
Hoped this helped to explain molar conversions it can be hard to understand at first but you will get the hang of it
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0.01631973355 is your answer. Have a great day and hope this helps!!!
