<em>Answer:</em>
- As concentration is best represented by large bracket like this [x]. So
[K2CrO4] = 1.75 M
Or
[K2CrO4] = 1.75 mole per litre.
<em>Explantion:</em>
- Molarity = No. of moles × 1/ volume (litre)
Answer:
the correct answer is 17 significant figures
They aren't actually placed into the atom, they surround it in the "electron cloud" but if you add electrons, the charge of your atom becomes negative. If your remove them, the charge becomes positive
