8 Chemistry Calculations. fastest to answer all gets best pnts!!?
2.)One mole of sodium would have a mass of _____ grams.
3.)One mole of AuCl3 would have a mass of _____ grams.
4.)36 grams of Be would be equal to _____ moles of Be.
5.)250 grams of H2SO4 would be equal to _____ moles of H2SO4.
6.)When the equation Fe + Cl2 ? FeCl3 is balanced, the coefficient in front of the Cl2 is _____.
7.)When the equation KClO3 ? KCl + O2 is balanced, the coefficient in front of the KClO3 is _____.
8.)According to the following unbalanced reaction, how many grams of Fe2O3 are formed when 16.7 g of Fe reacts completely with oxygen? Fe + O2 ? Fe2O3
Answer:
1. 6.02 x 10^23
2. 22.99 grams
3. 303.32 grams
4. 4 moles
5. 2.55 moles
6. 3
7. 2
8. 47.75 grams
Aw, c'mon, Ducky -- these are trivially easy questions. Just read your text and you'll get them.
So why should I, with a BS - Chem and MS - Chem, do your High School Chem homework for you? If I answer your questions, you won't learn anything!
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