If you weigh 0.175g Ba3(PO4)2 and you find Ba to be the limiting reactant, how many grams of BaCl2*2H2O was in your original salt mixture

In this synthesis reaction what products will form

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

What is the molar mass of a gas that has density of 2.054 g/l