C. You should ALWAYS ask the teacher if you don't get something; your friends could be wrong, don't guess it, and NEVER cheat. Hope this helps!!
Answer:
use this to help u it starts from left to right
<u><em>Please mark as brainliest if answer is right</em></u>
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The answer that i got was three
i redid it and got some answer like 4.62 x1014<span> Hz</span>
Answer:
1/360
Explanation:
let x = liters
molarity=moles of solute/liters of solution, 7.2=0.02/x or 7.2=(1/50)(1/x), 7.2(50)=(1/x), 360(x)=1, x=1/360