Answer:
Answer most likely 25
Step-by-step explanation:
If you multiply (1/4)* 84 you get 21 so your awnser is 21
You should add -77 to 77 because it will cancel out.
The y intercept is -2. Remember when x is substituted as 0, you can find the y intercept
<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>