Na3PO4 + Ba(OH)2 --> Ba3(PO4)2 + NaOH How many moles of Ba3(PO4)2 will be formed if 400g of sodium phosphate is reacted?

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)

How many atoms are in 2 moles of phosphorus

Convert a speed of 201 cm/s to units of inches per minute. also, show the unit analysis by dragging components into the unit‑factor slots.