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Dafna11 [192]
3 years ago
15

Why is there need to standardize a solution​

Chemistry
1 answer:
viktelen [127]3 years ago
6 0

<u>standardization of a volumetric solutio</u><u>n used for titration is one of the most important preconditions for reliable and transparent titration results.</u>

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Definition of e = mc2
Nitella [24]

Answer:

Energy equals mass times the speed of light squared.

Explanation:

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2 years ago
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Calculate the vapor pressure at 35ºC of a solution made by dissolving 20.2 g of sucrose (C12H22O11)in 60.5 g of water. The vapor
sukhopar [10]

Answer:

P' = 41.4 mmHg → Vapor pressure of solution

Explanation:

ΔP = P° . Xm

ΔP = Vapor pressure of pure solvent (P°) - Vapor pressure of solution (P')

Xm = Mole fraction for solute (Moles of solvent /Total moles)

Firstly we determine the mole fraction of solute.

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20.2 g . 1 mol / 342 g = 0.0590 mol

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P' = - (42.2 mmHg . 0.0172 - 42.2 mmHg)

P' = 41.4 mmHg

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3 years ago
Can someone help me understand how to solve mole problems in chemistry?
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Between which two atoms of water are hydrogen bonds are formed?
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2 years ago
Draw the lewis structure of the hypochlorite ion clo- . include lone pairs
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Both Cl and O atoms wants to complete their octet and so for this we put a single bond between them. Single bond means two electrons, so the remaining electrons would be 14 - 2 = 12

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6 0
3 years ago
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