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insens350 [35]
3 years ago
11

Are mass and *weight of matter* the same thing​

Chemistry
2 answers:
Scorpion4ik [409]3 years ago
7 0

Answer:

Mass is the quantity of an object.

Weight is the force with which the object is attached towards the earth.

Hope it helps

inna [77]3 years ago
5 0

Mass is the amount of matter in a object. But weight is the force exerted on an object by gravity.

Hope this helps :)

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Ok to answer this question we firsst need to fin the number of mol of Urea (CH4N2O). to do this we simply :

1 mol of urea =15/60.055 = 0.25mol

therefore 200g of water contain 0.25mol

the next step is to determine the malality of our solution in 200g of water, to do this we say:

200 g = 1Kg/1000g = 0.2kg

therefor 0.25mol/0.2Kg = 1.25mol/kg

and from the equation:

we know that i = 1

we are given Kf

b is the molality that we just calculated

therefore;

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3 years ago
What is the charge of a cation?
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A cation has more protons than electrons, consequently giving it a net positive charge. For a cation to form, one or more electrons must be lost, typically pulled away by atoms with a stronger affinity for them.

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