Guys i really need someone to explain IGCSE chemistry to me there is stuff that i dont understand. PL HELP MY EXAM ISIN 3 MONTHS
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Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

How have the greenhouse gasses increased from the year 2000 to 2018