No one knows everybody just copies eachother
B. All oncoming traffic is stopped by red lights
The weight percent is of caffiene is 7.98%.
There are several ways of expressing concentration in chemistry. One of the methods of expressing concentration is by the use of percentage.
In this case, we want to obtain the percent weight/weight concentration of caffeine in benzene.
From the question, we can see that;
Mass of solute = 6.5 g
Mass of solvent = 75 g
percent w/w = mass of solute/ mass of solute + mass of solvent × 100/1
percent weight of caffeine=
6.5/6.5 + 75 × 100/1 =7.98%
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The Reconstruction act of 1867 was significant because it granted citizenship to anyone born in the United States.
Reconstruction act of 1867 had outlined the terms for readmission to representation of the rebel states. Eventually, the bill divided the former Confederate states, except Tennessee, into military districts, five in number. The act also set a punishment fir certain social behaviors.
Reconstruction act of 1867 was Lincoln's reconstruction plan after the civil war. It stated that a state could come back to the union when ten percent of its voters in the 1860 election pledged their allegiance to the US as well as pledged to agree to the emancipation.
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