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Aliun [14]
3 years ago
13

A scientist wants to test how much of an acid can be added to a solution

Biology
1 answer:
notsponge [240]3 years ago
8 0

Answer:

<em>B. Methyl yellow, which changes from yellow to red around a pH of </em>

<em>4.0</em>

Explanation:

A pH indicator is a technique by which the pH of a solution can be known. The scenario in the question describes that the scientist wants to determine a pH after it gets converted from 6 to below 4. For this recognition, the scientist should use a methyl yellow indicator which will change from yellow to red once a pH around 4 is achieved.

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Explanation:

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Cl = 1 atom

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O = 2 atom

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O = 2 atoms

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H = 12 atoms

O = 6 atoms  

For the second part;

1. 2NaCl

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Cl = 2 atoms

2. 3CO₂

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O = 6 atoms

3. 4O₂

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4. 2C₆H₁₂O₆

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S_A_V [24]

Answer:

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If the blue eyed kid has brown eyed parents what is their genotype
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The pedigree chart could represent all of the following disorders EXCEPT A) hemophilia B) sickle-cell disease C) red-green color
Thepotemich [5.8K]
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