If 25.00 grams of ammonium phosphate reacts with some magnesium hydroxide, what mass of water and ammonia will be produced? (equation is not balanced)

Mg(OH)2 + (NH4)3(PO4) ® Mg3(PO4)2 + NH3 + H2O(not balanced!!)

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Which of these conditions most likely produces an unstable isotope?