Questions asked by Frank C.

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• How to factor 9x2=25 ?
  
• 2.4 moles of lead (II) hydroxide is how many grams?
  
• How many moles are there in #"5.3 g"# of #"KNO"_3# ?
  
• There are 5.4 million atoms of bees on a bee ranch, how many moles of bees are there?
  
• How many moles of KOH are there in 1.673x1023 molecules oh KOH?
  
• How many grams are in #2.3 xx 10^4color(white)(l)"mol"# of calcium phosphate, Ca3(PO4)2?
  
• How many molecules of ozone (O3) would be needed to fill 5.4 x1019 gram hole in the atmosphere?
  
• 8 grams of barium carbonate #("BaCO"_3")# is needed to kill a rat. How many molecules is this?
  
• How many grams are in 2.3 moles of phosphorus?
  
• How many grams are there in 7.8x1019 atoms of Beryllium (Be)?
  
• Convert 345 moles of H20 to molecules?
  
• How many grams of Calcium will be needed to produce 200 grams of Vanadium?
  
• How many grams of V can be produced with 4.6 moles of V20S?
  
• If you have 13 moles of Calcium, how many grams of Ca0 will be Produced?
  
• If you have 50 grams of N2 how much NH3 can you make?
  
• If you have 40 grams of H2, how much NH3 can you make?