This example is describing the Chromatography method.
(g solute/g solution)*100 = % mass/mass
30 g / 400 * 100
0,075 * 100
= 7,5% w/w
hope this helps!
Answer:
Organic evolution is the theory that more recent types of plants and animals have their origins in other pre-existing forms and that the distinguishable differences between ancestors and descendents are due to modifications in successive generations.
Explanation:
Answer:
5
Explanation:
if you do 17/3.45
=4.9 but if you round it up to the nearest whole number 5.
3.45*5=17.25
it equals to 17.25