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BabaBlast [244]
2 years ago
10

A ________ has wavy or wrinkled foliations. These rocks usually have a pseudo-metallic luster from the abundance of mica.

Chemistry
1 answer:
zhuklara [117]2 years ago
7 0
The answer is B hope it helps pls mark branliest
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Determine the empirical and molecular formulas for a compound that has 10 pa a molar mass of 300 g/mol, and is 60.0% C, 12% H, a
nignag [31]

Explanation:

the empirical formula is correct but I didn't got the question properly

3 0
2 years ago
Determine the empirical formula for a compound that contains 48.6%C, 8.2% H, and 43.2% S by mass.
vagabundo [1.1K]

The empirical formula for a compound that contains 48.6%C, 8.2% H, and 43.2% S by mass is C_3H_6S.

<h3>What is the empirical formula?</h3>

An empirical formula tells us the relative ratios of different atoms in a compound.

We need to calculate the number of moles

Number of a mole of carbon =

48.6 g X (\frac{1 mole }{ 12.0107 g}) =4.05 mole

Number of a mole of hydrogen =

8.2g X (\frac{1 mole}{.00784g}) =8.14 mole

Number of moles of sulphur =

43.2g X (\frac{ mole}{32.065g}) = 1.35 mole

Dividing each mole using the smallest number that is divided by 1.35 moles.

Carbon= \frac{4.05 mole }{1.35 mole} =3

Oxygen= \frac{8.14 mole}{1.35 mole} =6

Sulfur= \frac{1.35 mole}{1.35 mole} =1

Empirical formula is C_3H_6S

Learn more about empirical formula here:

brainly.com/question/14044066

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4 0
2 years ago
What is the oxidation number of manganese (Mn) in potassium permanganate (KMnO4)?
andrezito [222]

What is the oxidation number of manganese (Mn) in potassium permanganate (KMnO4)?

+3
+5
+6
+7

The oxidation number of manganese (Mn) in potassium permanganate (KMnO4) is +5. 

7 0
3 years ago
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Kevin is working on a model that shows the positions of Earth, the Moon, and the Sun during the phases of
sergij07 [2.7K]

Answer:

Explanation:what’s the answer

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3 years ago
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(i)<br> The positive particles,<br> , in the nucleus of atoms are called
grin007 [14]

Answer:

protons

Explanation:

i remember it as positive protons

neutral neutrons and

negetive electrons

7 0
3 years ago
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