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nlexa [21]
3 years ago
10

Which component of blood allows oxygen from the air to move from the lungs to cells of the body?

Chemistry
1 answer:
kaheart [24]3 years ago
4 0

Answer: Red blood cells

Explanation:

oxygen moves thru hemoglobin

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If the ph of a solution is 6.1 what is the concentration of h+ ions in the solution
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10^{-6}   \frac{mol}{L}

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Comparing to the solution consisting a pH of 5 containing 10^{-5}  \frac{mol}{L} of hydrogen ions, a solution having a pH of 6 consists of 10^{-6}  \frac{mol}{L} of hydrogen ions. A solution having a pH of 7 too will have a pH of 10^{-7}  \frac{mol}{L}.

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What is the empirical formula for a substance that is composed of 40.66% carbon, 8.53% Hydrogen,23.72% Nitrogen, and 27.09% Oxyg
prohojiy [21]

Answer:

THE EMPIRICAL FORMULA OF THE SUBSTANCE IS C2H5NO

Explanation:

The steps involved in calculating the empirical formula of this substance in shown in the table below:

Element                            Carbon           Hydrogen          Nitrogen         Oxygen

1. % Composition              40.66              8.53                 23.72                27.09

2. Mole ratio =

%mass/ atomic mass       40.66/12         8.53/1          23.72/14            27.09/16

                                       =  3.3883            8.53              1,6943             1.6931

3. Divide by smallest

value (0.6931)          3.3883/1.6931    8.53/1.6931    1.6943/1.6931   1.6931/1.6931

                               =      2.001                  5.038           1.0007                      1

4. Whole number ratio        2                       5                   1                               1

The empirical formula = C2H5NO

7 0
3 years ago
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