<span>The atomic mass for copper is 63.546 amu. Copper is typically reddish orange in color and has a melting point of 1981.4 degrees Fahrenheit. It is classified as a transition metal and has an atomic number of 29.</span>
Answer:
3Mg(OH)2 + 2H3PO4 = Mg3(PO4)2 + 2H3O
Explanation:
Depends on what your question I currently have a 99 in there
1) Calculate the molar weight. 12.000 + 4*(35.45)
2) Divide 15.0 by the molar weight to get moles
3) Multiply by Avogado's number of get the number of molecules.
