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  1. Avogadro's number tells us the number of particles (atoms, molecules, ions) in one _____

  2. What is the molar mass of caffeine (C₈H₁₀N₄O₂)?

  3. What coefficient would go in front of AlCl₃ to balance this equation?

Avogadro s number tells us the number of particles (atoms, molecules, ions) in one 2. What is the molar mass of caffeine (C H N O )? 3. What coefficient would g class=

Verified Answer :

1.) 1 mole. 2.) molar mass of C8H10N4O2 = 8x molar mass of C + 10x molar mass of H + 4x molar mass of N + 2x molar mass of O = 8x12 + 10x1 + 4x14 + 2x16 = 194gm/mol. 3.) Balanced equation is 2AlCl3 (s) + Ca3N2 (s) ------> 2AlN + 3CaCl2.

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