<span>When there is still solvent with the product because it was not dried properly during the experiment,so,this </span><span>might cause the percent yield of sodium chloride to be less than 100%.</span>
Answer:
D Contains most of the total mass
Explanation:
The mass of an atom is protons + neutrons (both found in nucleus)
A. Distillation. If the mixtures have different boiling points, the liquid with the lower boiling point will distill off first, followed by the other one.
“B. Filtration” is <em>incorrect</em>. Both liquids will pass through the filter paper.
“C. Sedimentation” is <em>incorrect </em>because it works only for a solid suspended in a liquid.
“D. Evaporation” is <em>incorrect</em>. Both liquids will pass into the atmosphere never to be seen again.
The scientific method has five basic steps, plus one feedback step: Make an observation. Ask a question. Form a hypothesis, or testable explanation.
5= chemicals
6= hormones
Don't know the other ones.