The diagram below shows the structures of a plant cell. What is structure 1, and how does it help sustain life? A. Structure 1 i
2 answers:
From the diagram, structure 1 would be the chloroplast and it represents the site of photosynthesis.
<h3>Plant cells</h3>The image (see attached) is that of a plant cell and structure labeled 1 is the chloroplast.
The chloroplast of plant cells acts as the site of photosynthesis where inorganic materials are used to synthesize carbohydrates.
Plants generally serve as producers in food chains and thus, chloroplast helps sustain life.
More on plant cells can be found here: brainly.com/question/1894299
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Answer : The volume of sodium benzoate and benzoic acid solution mixed to prepare this buffer should be, 29.0 mL and 71 mL respectively.
Explanation :
Let the volume of sodium benzoate (salt) be, x
So, the volume of benzoic acid (acid) will be, (100 - x)
Using Henderson Hesselbach equation :
Now put all the given values in this expression, we get:
x = 29.0
The volume of sodium benzoate = x = 29.0 mL
The volume of benzoic acid (acid) = (100 - x) = (100 - 29.0) = 71 mL
Thus, the volume of sodium benzoate and benzoic acid solution mixed to prepare this buffer should be, 29.0 mL and 71 mL respectively.