3. Oblicz stężenie procentowe 423 g roztworu zawierającego 17 g rozpuszczonego siarczanu (VI) miedzi (II). Zapisz obliczenia i o
1 answer:
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Answer:
11 molecules of CH4.
23 atoms of C is the leftover.
Explanation:
Hello!
In this case, for the formation of methane:
We can see there is an excess of carbon based on their stoichiometry, because the needed amount of hydrogen gas molecules would be:
Thus, the formed molecules of methane are computed below:
In such a way, the leftover of carbon atoms are:
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Answer:
<h2>Density = 0.2 g/mL</h2>Explanation:
The density of a substance can be found by using the formula
<h3>From the question the points are
mass = 6.8 g
volume = 34 mL
Substitute the values into the above formula and solve
That's
<h3>We have the final answer as
<h3>Density = 0.2 g/mL</h3>Hope this helps you