kileykittykt8184
19.04.2021 •
Chemistry
Molecular formula of CH2O, 120 g/mol
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Ответ:
The given molar mass of a compound of 120g/ml
Molar mass of empirical formula
CH20=30g/ml
n= molar mass/ molar mass of empirical formula substitute as follows: n= 120g/ml/30g/ml
n= 4 so, 4 x CH20= C4H8O4
Therefore, the molecular formula of a compound is determined to be C4H8O4
Ответ:
b c
Explanation:
it is to trap and make sure nothing harmful goes passed it to keep u safe.