Answer:
Photosynthesis is the process in which plants harness energy from the sun to make their own nutrition. The process converts light energy into chemical energy through cellular respiration.
Explanation:
Just to start you off. I hope it helps! (❛ ᴗ ❛)
Answer:
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The empirical formula is obtained by calculating the mole ratios of the atoms in the elements.
The number of moles =mass/ R.A.M
For hydrogen, no. of moles=8/1=8
For oxygen, no. Of moles=64/16=4
The tabular solution is attached.
Answer:
is the molar concentration of Cu(II) ions in the unknown solution.
Explanation:
Using Beer-Lambert's law :
Formula used :
where,
A = absorbance of solution
C = concentration of solution
l = length of the cell =
= molar absorptivity of solution
A Beer's law plot is between absorbance and concentration.

We have:
A = 0.55
The slope of the Beer's law plot = m = 310 L/mol
So, the concentration of the solution is:

is the molar concentration of Cu(II) ions in the unknown solution.