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SOLVED: How many silicon atoms are present in a sample of 32.8 g of silicon? The molar mass of silicon is 28.09 g/mol: O 7.03 * 1023 atoms 1,98 x 1025 atoms 5.15 * 1023 atoms 1.84 * 1022 atoms
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SOLVED:A chloride of silicon contains 79.1 mass % Cl. (a) What is the empirical formula of the chloride? (b) If the molar mass is 269 g / mol, what is the molecular formula?
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Molar Mass and How to Find It
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