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Savatey [412]
3 years ago
12

What is the percent by mass of oxygen in mg(oh)2

Chemistry
1 answer:
kakasveta [241]3 years ago
3 0

54.868% because well la la la (sorry had to be 20 characters)

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What cell type is found in the nervous tissue
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.One ballon is filled with Hydrogen (H2) gas, the other balloon is filled with methane (CH4). Both balloons have the same temper
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C. The balloon with CH4 has the same moles of gas molecules as the balloon with H2

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Which gas will effuse at the rate closest At a particular pressure and temperature, nitrogen gas effuses at the rate of 79mLs. U
Contact [7]

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According to the Graham's law, the rate of effusion of gas is inversely proportional to the square root of the molar mass of gas.

R\propto \sqrt{\frac{1}{M}}

or,

(\frac{R_1}{R_2})=\sqrt{\frac{M_2}{M_1}}       ..........(1)

where,

R_1 = rate of effusion of nitrogen gas = 79mL/s

R_2 = rate of effusion of sulfur dioxide gas = ?

M_1 = molar mass of nitrogen gas  = 28 g/mole

M_2 = molar mass of sulfur dioxide gas = 64 g/mole

Now put all the given values in the above formula 1, we get:

(\frac{79mL/s}{R_2})=\sqrt{\frac{64g/mole}{28g/mole}}

R_2=52mL/s

Therefore, the rate of effusion of sulfur dioxide gas is 52 mL/s.

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what are the moon phases. but be more detailed and don't put in "the phases of the moon" be more detailed.
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Explanation:

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Read 2 more answers
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