Answer:
OMG
Step-by-step explanation:
I hadn't read WebToon in a loooooong time.
BUT I"LL LOG IN AND READ IT;)
Last answer for the first question and in not sure about the second one
The answer is B 803.8cm^2
100 percent because 45 % is always in between 30 and 50 %
<span>1. Measure the distance the solvent front traveled from the baseline (m1). 2. Measure the distance the reactant b spot traveled (the center of the spot) (m2). 3. To determine the rf, divide (m2/m1). 4. Significant figures- use 2 so the answer should be written to the hundredths place as the spot will not travel farther than the solvent front.</span>
