Answer:243
Explanation: multiply all of them then add and it will be 243
The number indicates the number of atoms of each element in a molecule of a substance is the script number to the right of the element indicates the number of atoms. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
The answer was Carbon Dioxide
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Sand should be your answer because it contains 5,0 premeability variation