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Ulleksa [173]
3 years ago
11

Which of the following solutions is more concentrated? 0.50M KCl or 5.0% (w/v) KCl

Chemistry
1 answer:
HACTEHA [7]3 years ago
6 0

.50 M KCl because 5% is the same as .05, which makes the .50M more concentrated.

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After throwing the ball in the pool for my dog the ball sprung a leak and begin to fill with water. How many mL of water can th
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Explanation:

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Which type of nuclear radiation is being emitted here?
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b.Beta

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Revolver features several firing chambers located within...
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Answer:

What are the characteristics of a revolver?

Explanation:

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3 years ago
An alkanol contains 37.5 carbon
kow [346]

Answer:

Empirical formula is CH₄

Molecular formula = C₂H₈

Explanation:

Mass of carbon = 37.5 g

Mass of hydrogen = 12.5 g

Molecular weight = 32 g/mol

Molecular formula = ?

Empirical formula = ?

Solution:

Number of gram atoms of C = 37.5 g /12g/mol = 3.125

Number of gram atoms of H = 12.5 g / 1.008 g/mol= 12.4

Atomic ratio:

C                 :            H            

3.125/3.125   :       12.4 /3.125

    1                :            4          

C : H : = 1 : 4

Empirical formula is CH₄

Molecular formula:

Molecular formula = n (empirical formula)

n = molar mass of compound / empirical formula mass

n = 32  / 16

n = 2

Molecular formula = n (empirical formula)

Molecular formula = 2 ( CH₄)

Molecular formula = C₂H₈

3 0
3 years ago
How are properties useful in classifying materials
lukranit [14]
S. Properties can be anything from composition to color to ductility. Without knowing an object's properties, it is impossible to characterize it. For example, looking at some common properties of metals helps to differentiate them from non-metals or metalloids.
5 0
3 years ago
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