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lions [1.4K]
3 years ago
10

What is the mass of 925.4 L of hydrogen gas at STP?

Chemistry
1 answer:
Ahat [919]3 years ago
8 0

Answer:

If this is an idea gas then 1mol takes up 22.4L.

So, knowing how many L you have you can figure out how many  mole syou have by doing a simple equation:

\frac{1mol}{y} =\frac{22.4L}{925.4L}

Solve for y.

Then, since you know how many moles you have use the ptable https://ptable.com/#Properties to figure out the mass in grams.

NOTE: The ptable tells you that 1mol of H = 1g.....so this should be an easy calculation :) enjoy

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Rolls of foil are 302 mm wide and 0.018 mm thick. (The density of foil is 2.7 g/cm3 .)
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The length of foil will be 8107.81 cm or 81.7081 m.

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d = m/ v

v = length (l) × width (w) × height (h)

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