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Law Incorporation [45]
2 years ago
5

Vanuation Question

Chemistry
1 answer:
Inessa05 [86]2 years ago
7 0
Reckless driving I think
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What is the total number of valence electrons in an atom of germanium in the ground state?
Shalnov [3]
The answer is (4) 4. Germanium is a main group element in group 4A. Therefore, like carbon, it has 4 valence electrons in the ground state.
3 0
3 years ago
The concentration of CI ion in a sample of H,0 is 15.0 ppm. What mass of CI ion is present in 240.0 mL of H,0, which has a densi
Doss [256]

Answer:

Mass of solute = 0.0036 g

Explanation:

Given data:

Concentration of Cl⁻ = 15.0 ppm

Volume of water = 240 mL

Mass of Cl⁻ present = ?

Solution:

1 mL = 1 g

240 mL = 240 g

Formula:

ppm = mass of solute / mass of sample ×1,000,000

by putting values,

15.0 ppm = (mass of solute / 240 g) ×1,000,000

Mass of solute = 15.0 ppm ×  240 g / 1,000,000

Mass of solute = 0.0036 g

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2 years ago
What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL
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3 years ago
Why must all deadlier pesticides be developed?
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Due to the other pesticides have outgrown their strength on today’s insects. All must be accompanied by mass paperwork for safety.
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How is energy related to the change of state represented by the model?
andreev551 [17]

Answer:

Explanation:

the answer is C. Atoms lose energy as a gas changes to a solid. hope your 2020 goes well stay happy

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