small amounts of tungsten (W) are usually added to steel to strengthen and harden the steel. two ores of tungsten are ferberite (FeWO4) and scheelite (CaWO4). How many grams of FeWO4 would contain the...

small amounts of tungsten (W) are usually added to steel to strengthen and harden the steel. two ores of tungsten are ferberite (FeWO4) and scheelite (CaWO4). How many grams of FeWO4 would contain the same mass of tungsten that is present in 725g of CaWO4