Answer:
by using a moving solvent on filter paper.
Explanation:
The answer is A.
We know the formula for molarity :
<u>Molarity = Number of moles ÷ Volume</u>
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Let's assume there are 0.6 moles of NaCl in 1 liter of ocean water.
Then, mass of salt is :
- Mass of one mole salt × 0.6
- 58.5 × 0.6
- 35 grams
If the states of matter have changed such as from solid to liquid, you have to remove or add energy.
A dentist is most likely to use x ray technology.