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d1i1m1o1n [39]
3 years ago
11

Which one is the right one​

Chemistry
1 answer:
olga_2 [115]3 years ago
6 0

Answer:

B

Explanation:

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An irregularly shaped stone was lowered into a gradulated cylinder holding a volume of water equal to 12mL.the height of the wat
denis23 [38]
The density of the stone is 5 because the formula is mass/volume and the volume is 5 and the mass is 25
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Water has a density of 1 g/cc. If you have 1 cc of water, how much mass does it contain?
rewona [7]
Water has a density of 1 g/cc. If you have 1 cc of water, then the mass it contains would be 1 g. <span>Density is a physical property of a substance that represents the mass of that substance per unit volume. It is a property that can be used to describe a substance. Hope this answers the question. Have a nice day.</span>
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20 POINTS!!!!......
tester [92]
Density= mass/ volume

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3 years ago
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A brown dye has a percent composition of 62.41% C, 5.24% H, and 32.36% N by mass with a molar mass of 346.40 g/mol. Determine th
Fiesta28 [93]

The molecular formula : C₁₈H₁₈N₈

<h3>Further explanation</h3>

Given

62.41% C, 5.24% H, and 32.36% N

Required

The molecular formula

Solution

mol ratio

C : 62.41/12.0096 = 5.1967

H : 5.24/1.00784 = 5.1992

N : 32.36/14.0067 = 2.310

Divide by 2.310(smallest)

C : 5.1967/2.31=2.25

H : 5.1992/2.31 = 2.25

N : 2.31/2.31 = 1

Multiplied by 4

C : H : N = 9 : 9 : 4

The empirical formula : C₉H₉N₄

(C₉H₉N₄)n=346.40 g/mol

(12.0096 x 9 + 1.00784 x 9 + 14.0067 x 4)n=346.4

(108.0864+9.07056+56.0268)n=346.4

(173.184)n=346.4

n=2

<em>The molecular formula : C₁₈H₁₈N₈</em>

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3 years ago
El átomo de bromo tiene Z=35 la configuración electrónica por niveles y subniveles de energía
Mrrafil [7]

Z=35

  • The element is bromine
  • Sign(Br)

Electronic configuration:-

\\ \sf\longmapsto 1s^22s^22p^63s^23p^64s^23d^104p^5

3 0
2 years ago
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