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Iteru [2.4K]
3 years ago
12

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons?

Chemistry
1 answer:
uysha [10]3 years ago
8 0
The answer is carbon.
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A solution is made by dissolving 373.5 g of Pb(NO3)2 (molar mass: 331.2 g/mol) in 2.00 × 103 g of water. What is the molality of
hram777 [196]
Answer:
molality = 0.564 m

Explanation:
Molality =  number of moles of solute / kg of solvent

1- getting moles of solute:
number of moles = mass / molar mass
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mass = 373.5 g
molar mass = 331.2 g/mol
Therefore:
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2- getting kg of solvent:
mass in kg = mass in grams * 10⁻³
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Hope this helps :)
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