<span>An unsaturated solution is one that has a concentration lower than it's solubility. What happens is all of the solute dissolves in the solvent. For example, dumping a spoon of sugar into coffee ends up with an unsaturated solution. Because all the sugar dissolves into the solvent (the coffee).</span>
Heptane means seven carbon atoms and since the general formula is CnH2n+2, heptane will be C7H16
Scientists repeat experiments for reliability. Experiments have to be repeated, since performing an experiment only once, does not prove a scientists theory on the experiment, which they develop by performing the experiment. And then performing the experiment again or even many times to prove or disapprove their theories. Btw, before an experiment begins, the scientist will make a hypothesis of what they believe will happen. If proven correctly, they would then use those results they record throughout the experiment, from beginning to end to prove whether or not their hypothesis are correct or incorrect. Click to let others know, how helpful is it
Read more on Brainly.com - brainly.com/question/2613050#readmore
So that they can prove the other scientists views wrong and develop a new theory in which there is more sense and credibility.
Click to let others know, how helpful is it
BASICALLY, I THINK THE ANSWER IS 1 OR 2 OR
Answer:
the answer to number 9 is A.
Explanation:
