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viktelen [127]
2 years ago
12

Photosynthesis is? (Single choice)

Chemistry
2 answers:
Readme [11.4K]2 years ago
8 0

Answer:

B.

Explanation:

it is b because I took science

lol have a good day

olganol [36]2 years ago
7 0

Answer:

B. a chemical reactions that occurs in the chloroplast of a plant.

Explanation:

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The ratio of boys to girls at a school
Marat540 [252]

Answer:

Si tú puedes 1-2-3-4-5-6-7-8-9-10 eso debes de ser más bien dicho sacaran Club Ojalá que te ayude Chau

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5 0
3 years ago
Calculate the pH during the titration of 30.00 mL of 0.1000 M HCOOH(aq) with 0.1000 M NaOH(aq) after 29.3 mL of the base have be
pashok25 [27]

Answer:

3.336.

Explanation:

<em>Herein, the no. of millimoles of the acid (HCOOH) is more than that of the base (NaOH).</em>

<em />

So, <em>concentration of excess acid = [(NV)acid - (NV)base]/V total</em> = [(30.0 mL)(0.1 M) - (29.3 mL)(0.1 M)]/(59.3 mL) = <em>1.18 x 10⁻³ M.</em>

<em></em>

<em> For weak acids; [H⁺] = √Ka.C</em> = √(1.8 x 10⁻⁴)(1.18 x 10⁻³ M) = <em>4.61 x 10⁻⁴ M.</em>

∵ pH = - log[H⁺].

<em>∴ pH = - log(4.61 x 10⁻⁴) = 3.336.</em>

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3 years ago
Please help. Thank you guys for all your help and support. &lt;3
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It would be “To obey the law of conservation of mass”
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also to answer the 'hello guys what is good!':nothin u?

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6 0
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