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77julia77 [94]
2 years ago
9

Two scientists are debating how to classify a new animal species that they have discovered. They observe that the animal is capa

ble of producing sperm.
What statement would they most likely make about the new species?

This animal produces offspring that are genetically different from itself.
This animal produces offspring that are genetically identical to itself.
This animal’s sperm will join with spores to produce offspring.
This animal’s sperm will undergo binary fission to produce offspring.
Chemistry
2 answers:
BaLLatris [955]2 years ago
7 0

Answer:

A

Explanation:

enyata [817]2 years ago
7 0

Answer:

A

Explanation:

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To a 25.00 mL volumetric flask, a lab technician adds a 0.150 g sample of a weak monoprotic acid, HA , and dilutes to the mark w
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<u>Answer:</u> The number of moles of weak acid is 4.24\times 10^{-3} moles.

<u>Explanation:</u>

To calculate the moles of KOH, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of solute}}\text{Volume of solution (in L)}}

We are given:

Volume of solution = 43.81 mL = 0.04381 L      (Conversion factor: 1L = 1000 mL)

Molarity of the solution = 0.0969 moles/ L

Putting values in above equation, we get:

0.0969mol/L=\frac{\text{Moles of KOH}}{0.04381}\\\\\text{Moles of KOH}=4.24\times 10^{-3}mol

The chemical reaction of weak monoprotic acid and KOH follows the equation:

HA+KOH\rightarrow KA+H_2O

By Stoichiometry of the reaction:

1 mole of KOH reacts with 1 mole of weak monoprotic acid.

So, 4.24\times 10^{-3}mol of KOH will react with = \frac{1}{1}\times 4.24\times 10^{-3}=4.24\times 10^{-3}mol of weak monoprotic acid.

Hence, the number of moles of weak acid is 4.24\times 10^{-3} moles.

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I hope this helps.

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