Answer:
The solvent
Explanation:
After the solid is recoverd by decanting the liquid, some solvent particles may still adhere to the solid.
In order to remove the solvent that may have adhered to the solid completely , the solid is washed before it is now dried.
I'll be using dimensional analysis to help out.
2.5mol Na2O * ( X gNa2O / 1 molNa2O) = ? gNa2O
X gNa2O is the molar mass of the molecule. To find that we must add up the molar masses of all of the elements in the molecule.
There are 2 Na (Sodium).
And 1 O (Oxygen).
The Molar Mass of Na = 2 * 22.99 g/mol (It's multiplied by 2 because there are 2 of them in the molecule)
The Molar mass of O = 16.00 g/mol
If you are confused on where I found them. Let me enlighten you! I found them from a periodic table of elements.
Add those two values together to get a total molecular molar mass of:
38.99g/mol
2.5mol Na2O * ( 38.99 gNa2O / 1 molNa2O) = 97 gNa2O
A large quantity if hydronium ions indicates an Arrhenius acid.
Answer:
Red cabbage juice contains a natural pH indicator that changes colors depending on the acidity of the solution. The pigment in red cabbage that causes the red color change is called flavin (an anthocyanin). ... At a lower pH, more hydrogen ions are in solution, and therefore the solution is acidic
Actually I don't know but I tried so I hope it helped u!
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<em>Here</em><em>'s</em><em> </em><em>your</em><em> </em><em>answer</em>
<em>Thermal</em><em> </em><em>energy</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>energy</em><em> </em><em>that</em><em> </em><em>is</em><em> </em><em>generated</em><em> </em><em>or</em><em> </em><em>measured</em><em> </em><em>by</em><em> </em><em>heat</em><em>.</em>
<em>Thermal</em><em> </em><em>en</em><em>ergy</em><em> </em><em>measures</em><em> </em><em>the</em><em> </em><em>movement</em><em> </em><em>of</em><em> </em><em>atoms</em><em> </em><em>or</em><em> </em><em>molecules</em><em> </em><em>within</em><em> </em><em>a</em><em> </em><em>substance</em><em>.</em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em>