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erastovalidia [21]
3 years ago
13

Daniel Harris has always enjoyed eating tuna fish. Unfortunately, a study of the mercury content of canned tuna in 2010 found th

at chunk white tuna contains 0.6 ppm Hg and chunk light tuna contains 0.14 ppm.2 The U.S. Environmental Protection Agency (EPA) recommends no more than 0.1 μg Hg/kg body weight per day. A person weighs 63 kg . How often may the person eat a can containing 6 ounces (16 oz=1 lb) of chunk white tuna so that they do not average more than 0.1 μg Hg/kg body weight per day?
А The person can consume one 6 oz can of chunk white tuna every_______ days.
If the person switches to chunk light tuna, how often can they eat one can?
The person can consume one 6 oz can of chunk light tuna every_______ days.
Chemistry
1 answer:
meriva3 years ago
4 0
That would be 3 days 6 oz of tuna
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3 years ago
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A compound is 2. 00% H by mass, 32. 7% S by mass, and 65. 3% O by mass. What is its empirical formula? The final step is to use
LekaFEV [45]

The empirical formula of this compound is H_2SO_4

<u>Given the following data:</u>

  • Percentage of H = 2.00%
  • Percentage of S = 32.7%
  • Percentage of O = 65.3%

<u>Scientific data:</u>

  • Molar mass of hydrogen (H) = 1.0 g/mol.
  • Molar mass of sulfur (S) = 32 g/mol.
  • Molar mass of oxygen (O) = 16 g/mol.

To determine the empirical formula of this compound:

Note: We would assume that the mass of the compound is 100 grams.

Hence, the mass of its constituent elements are:

  • Mass of hydrogen (H) = 2.00 grams
  • Mass of sulfur (S) = 32.7 grams
  • Mass of oxygen (O) = 65.3 grams

Next, we would determine the number of moles of each element by using this formula:

Number\;of\;moles = \frac{mass}{molar\;mass}

<u>For </u><u>hydrogen</u><u> (</u><u>H</u><u>):</u>

Number\;of\;moles = \frac{2.00}{1}

Number of moles = 2.0 moles

<u>For </u><u>sulfur</u><u> (</u><u>S</u><u>):</u>

Number\;of\;moles = \frac{32.7}{32}

Number of moles = 1.0 moles

<u>For </u><u>oxygen</u><u> (</u><u>O</u><u>):</u>

Number\;of\;moles = \frac{65.3}{16}

Number of moles = 4.0 moles

Empirical formula = H_2SO_4

Read more: brainly.com/question/21280037

3 0
2 years ago
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Covalent bonding is the bond that holds all compound that are formed by carbon.

It is a very strong intermolecular bond that holds the structure of carbon compounds in place.

Principally, covalent compounds are formed by sharing of electrons between contributing atoms.

Covalent bonds are the strongest bond types. A reason for this conclusion can be see in case of diamond. Here, there is a covalent linkage between the atoms present and the strength of these bonds is responsible for how strong the diamond crystal is

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3 years ago
What is the molar mass of CH20?
cluponka [151]

Answer:

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Explanation:

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I think the answer is B.

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