2 years ago

Which part of the flower produces seeds? (992 points)

Chemistry

1 answer:

Nata [24]2 years ago

5 0

Answer:

The pistil, B.

Explanation:

The seeds are formed from the ovule which is contained in the ovary; all in the base, the pistil.

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Elanso [62]

Data:
mass = 67 Kg → 147.71 pounds

Solving:

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3 years ago

When should you<br> use a fume hood?

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if you are working with hazardous materials.

Explanation:

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3 years ago

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kari74 [83]

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2 years ago

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FrozenT [24]

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3 years ago

29.47 mL of a solution of the acid HBr is titrated, and 72.90 mL of 0.2500-M NaOH is required to reach the equivalence point. Ca

Klio2033 [76]

The original concentration of the acid solution is 6.175 $\times$ 10^-4 mol / L.

<u>Explanation:</u>

Concentration is the ratio of solute in a solution to either solvent or total solution. It is expressed in terms of mass per unit volume

HBr + NaOH -----> NaBr + H2O

There is a 1:1 equivalence with acid and base.

Moles of NaOH = 72.90 $\times$ 10^-3 $\times$ 0.25

= 0.0182 mol.

[ HBr ] = moles of base / volume of a solution

= 0.0182 / 29.47

= 6.175 $\times$ 10^-4 mol / L.

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2 years ago