What must you do before adding the equations? multiply the second equation by 2 multiply the first equation by 1/3 multiply the third equation by 1/2

In this synthesis reaction what products will form

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community