Chemistry i need help right away so i can get to sleep?

These are my last few questions i can not figure out

Write out the equation and fill in the appropriate data.

1. What is the molecular mass of carbon tetrachloried (CCl₄)?

2. What is the formula mass of potassium permanganate?

ive read tonns about balancing equations and i dont understand it at all still and this is duee please help.

1. C₂H₂ + O₂ ➔ CO ₂ + H ₂O

2. H ₂CO₃➔ HO + CO₂

3.Al(NO₃)₃+ NaOH ➔NaNO₃ + Al(OH)₃
 
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