Explore IDNLearn.com's extensive Q&A database and find the answers you need. Discover detailed answers to your questions with our extensive database of expert knowledge.

The elements that compose seawater, along with the corresponding percentages, are shown in the table below.

If a sample of seawater contains 20 ml, how many ml of hydrogen are in the sample?

\begin{tabular}{|lr|}
\hline
& Seawater Elements \\
\hline
Chemical & Percent \\
\hline
Oxygen & [tex]$85.84\%$[/tex] \\
\hline
Hydrogen & [tex]$10.82\%$[/tex] \\
\hline
Chlorine & [tex]$1.94\%$[/tex] \\
\hline
Sodium & [tex]$1.08\%$[/tex] \\
\hline
Magnesium & [tex]$0.13\%$[/tex] \\
\hline
Other elements & [tex]$0.19\%$[/tex] \\
\hline
\end{tabular}

There are [tex]$\square$[/tex] ml of hydrogen in the sample.
(Type an integer or a decimal rounded to two decimal places.)


Sagot :

To determine the volume of hydrogen in a 20 ml sample of seawater, follow these steps:

1. Identify the percentage of hydrogen in seawater, which is given as 10.82%.
2. Convert this percentage to a decimal by dividing by 100:
[tex]\[ \frac{10.82}{100} = 0.1082 \][/tex]
3. Multiply the decimal representation of the hydrogen percentage by the total volume of the seawater sample to find the volume of hydrogen:
[tex]\[ \text{Volume of hydrogen} = 0.1082 \times 20 \, \text{ml} \][/tex]
4. Perform the multiplication:
[tex]\[ 0.1082 \times 20 = 2.164 \, \text{ml} \][/tex]

Therefore, there are 2.164 ml of hydrogen in the 20 ml sample of seawater.

There are [tex]\(2.164\)[/tex] ml of hydrogen in the sample.