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vodomira [7]
3 years ago
9

HELP 50 POINTSS AND BRAINLIEST

Chemistry
2 answers:
weeeeeb [17]3 years ago
5 0
The third choice: it is equal to the total mass of glucose and oxygen formed because during the process of photosynthesis the reactants need to be equal to the total mass of the product which includes both sugar (glucose) and oxygen.
Ksenya-84 [330]3 years ago
5 0
The correct answer would be
3)<span>It is equal to the total mass of glucose and oxygen formed.</span>
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please mark me as brainliestt!!
8 0
3 years ago
A chemist prepares a solution of sodium carbonate by measuring out of sodium carbonate into a volumetric flask and filling the f
Vadim26 [7]

Answer:

The correct answer will be "9.45\times 10^{-5} \ mol/L".

Explanation:

We have:

Moles of solute (Na₂Co₃) = 18.9 \mu \ mol

                                           = 18.9\times 10^{-6}

                               1 \mu \ mol = 10^{-6} \ mol

Now,

The volume of the solution will be:

⇒  0.200 \ L

∴ {1 \ mL=0.001 \ L}

The formula to find the concentration will be:

⇒  Concentration = \frac{moles \ of \ solute \ (mol)}{Volume \ of \ solution \ (L)}

On substituting the given values, we get

⇒                          =\frac{18.9\times 10^{-6}}{0.200}

⇒                          =9.45\times 10^{-5} \ mol/L

8 0
3 years ago
The surface temperature on Venus may approach 753 K. What is this temperature in degrees Celsius?
Darya [45]

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461.85 degrees Celsius

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