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To determine the number of formula units in 5.1 grams of TiO2, we first need to calculate the molar mass of TiO2. Titanium (Ti) has a molar mass of approximately 47.87 g/mol, and oxygen (O) has a molar mass of around 16.00 g/mol. Adding these together gives a molar mass of TiO2 as 79.87 g/mol. Next, we use the formula: number of formula units = (mass given / molar mass) x Avogadro's number. Substituting the values, we get (5.1 g / 79.87 g/mol) x 6.022 x 10^23 = approximately 3.85 x 10^22 formula units of TiO2 in 5.1 grams.

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8mo ago

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