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20. Write the name and chemical formula

/in /by

20. Write the name and chemical formula of the following compound containing Magnesium and

Bromine?  Write the name and charge of the cation. Write the name and charge of the anion. 

21. What is the name for the following compound, Fe3(PO4)2? (2 points) Calculate Molecular weight. Show work

22. 25.0 mL of 0.7 M NaOH is neutralized by 51 mL of an HCl solution. The molarity of the HCl solution is

23. Calculate the pressure, in atmospheres, of 4.78 mol CO(g) in a 4.5 L tank at 50 degrees C

24.  A gas at a temperature of 100 degrees C occupies a volume of 165 mL. Assuming constant pressure, determine the volume at 20 degrees C.  Show your work.

 
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