Chemistry, 30.01.2021 09:30 guadalupemarlene2001
A compound is 40.0 % C, 53.3 % 0, and 6.66 % H What is its molecular formula if its molecular mass is 60 g? Show all your work Please help !!
Answers: 2
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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A compound is 40.0 % C, 53.3 % 0, and 6.66 % H What is its molecular formula if its molecular mass i...
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