The question seems incomplete as the rectangles are not specified. However, assuming it refers to the ratio quantities, here's a possible response.
Given the 1:4 ratio of carbon to hydrogen in methane and 90 total atoms in the sample, we can divide the total number of atoms by the sum of the ratio values (1+4=5). Therefore, 90/5 = 18. This means, for every "set" of atoms, there are 18 carbon atoms and 18*4 = 72 hydrogen atoms to maintain the 1:4 ratio. So, the number 18 should be inserted into the carbon atom rectangle and 72 into the hydrogen atom rectangle.
Methane gas contains carbon atoms and hydrogen atoms in the ratio of 1:4. A sample of methane gas contains 90 atoms. What value should be inserted into each rectangle? (1 point) The number should be inserted into each rectangle
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