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25.07.2020 •
Chemistry
If 50 ml of 1.00 M of H2SO4 and 50 ml of 2.0 M KOH are mixed what is the concentration of the resulting solutes?
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Ответ:
0.5 M
Explanation:
First, let us look at the balanced equation of the reaction.
The solute formed is
.
Recall that: mole = molarity x volume
Hence,
50 ml, 1.00 M H2SO4 = 0.05 x 1 = 0.05 mole
50 ml, 2.0 M KOH = 0.05 x 2 = 0.1 mole
From the equation
1 mole of H2SO4 reacts with 2 moles of KOH to give 1 mole of K2SO4.
Hence,
0.05 mole H2SO4 reacting with 0.1 mole KOH will give 0.05 mole
.
Also recall that: concentration = mole/volume
Total volume of resulting solution = 50 ml + 50 ml = 100 ml or 0.1 liter
Concentration of
= mole of
/volume of resulting solution
= 0.05/0.1 = 0.5 M
The concentration of the resulting solute = 0.5 M
Ответ:
It is critical in the process of ceeluar reespiration.
Explanation:
Water is critical in the process of cellular respiration, which is required for us to extract the energy we do from food. It DOES NOT capture sunlight in photosynthesis. In the first stage of photosynthesis, energy from the sun is captured to make glucose molecules, and oxygen from the water molecules is GIVEN OFF AS WASTE in the process.