You are expected to work these practice problems in class today. Your science facilitator is available for individual help.

Do not leave class today without being able to work these problems using dimensional analysis.

1. 7.74 X 10²⁶ molecules of thallium (I) iodide to moles    
    
2. 0.043 mole of H₂O to molecules    
    
3. 50.4 g of CaBr₂ to moles    
    
4. 91.9 g of Ag₂Te to formula units    
    
5. 6.63 X 10²³ formula units of Mg(CH₃COO)₂ to grams    
    
6. 0.638 moles Ce₂(CO₃)₃ to grams    
    
7. 6.77 X 10²⁴ molecules of Ca(ClO₄)₂ to moles    
    
8. 53.1 g HBr to moles    
    
9. 4.06 moles of SiH₄ to molecules