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Arada [10]
3 years ago
6

The molal boiling-point and freezing-point constants are different for different solvents.

Chemistry
2 answers:
RoseWind [281]3 years ago
8 0

Answer:

I think the answer is true, sorry if I am wrong

Explanation:

Vadim26 [7]3 years ago
3 0
The right answer for this is false
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Calculate the potential for each cell as shown below and indicate whether the metal electrode in the half-reaction opposite the
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A sample of a substance has a mass of 4.2 grams and a volume of 6 milliliters
allsm [11]

Answer:

Density of the substance is 0.7

Explanation:

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What are the disadvantages of aluminium fir building cars
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4 0
3 years ago
How much ch2o is needed to prepare 445 ml of a 2.65 m solution of ch2o?
worty [1.4K]

Answer: 35.4 grams

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.

Molarity=\frac{n\times 1000}{V_s}

where,

Molality = 2.65

n= moles of solute =?

 V_s = volume of solution in ml = 445 ml

Putting in the values we get:

2.65=\frac{n\times 1000}{445ml}

n=1.18

Mass of solute in g=moles\times {\text {molar mass}}=1.18mol\times 30.02g/mol=35.4g

Thus 35.4 grams of CH_2O is needed to prepare 445 ml of a 2.65 m solution of CH_2O.

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3 years ago
What is the name of the process during which a bond between two monomers is broken?
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