How are atomic mass and molecular mass determined?
2 answers:
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"cg" is centigram, which is one-hundredth of a gram.
I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).
Answer:
Explanation:
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In this case, is possible to infer that the thermal equilibrium is governed by the following relationship:
Thus, both iron's and water's heat capacities are: 0.444 and 4.18 J/g°C respectively, so one solves for the mass of water as shown below:
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We know 1 mole of any atom or molecules contains atom or molecules.
1 mole of HBr i.e 81 gm/mol contains atom or molecules.
So, mass of molecules is :
Therefore, mass of molecules is 1.21 gm .
Hence, this is the required solution.