According to the law of conservation of matter, which statement about chemical reactions is true?
1 answer:
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Solution :
Molar mass of is :
M = 6×12 + 6×1 g
M = 78 g
78 gram of contains
molecules.
So, 89.5 gram of contains :
Now, from the formula we can see that one molecule of contains 2 hydrogen atom . So, number of hydrogen atom are :
Hence, this is the required solution.