A student was asked to calculate the mass of NaCL (in g) needed to creat 500g of 10% NaCL soultion

How many atoms are there in 5.70 mol of mg

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium