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anastassius [24]
3 years ago
13

A 4.5x10 to the negative 3 M solution of a weak acid is 6.3% dissociated at 25%C. In a 4.5x10 to the negative 4 M solution, the

percentage of dissociation would be
Chemistry
1 answer:
laila [671]3 years ago
4 0

Answer:

0.63%

Explanation:

The new Percentage of dissociation will be as = (6.3×4.5×10^-4)/4.5×10^-3

= 0.63%

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3 years ago
22.4 L of hydrogen is taken in a cylinder at zero degree Celsius and at one atm. This gas is transferred to a cylinder of 11.2 L
geniusboy [140]

Answer:

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Explanation:

Changing the volume without changing the temperature or mass only changes the pressure. Volume and pressure are inversely proportional so halving the volume will double the pressure.

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7 0
3 years ago
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A cube of an unknown metal is 1.25 inches on each side and has a mass of 128.3741 g. What is its' density?
Mademuasel [1]
Hey there!

To find the density of an object, you must use this formula:
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Knowing that your mass is 128.3741, the only information you need left would be to find the volume of the cube.

Because the side length of the cube is given, you can multiply the length three times in order to find its volume:
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Now that you have your volume and mass, divide the mass by the volume to find the density:
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3 years ago
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