70 percent aluminum.
convert lbs gold to grams.
massalloy=massgold/.30
massaluminum=.7 * massalloy
A homogenous mixture of metals is called an alloy. An alloy is found to be 30% by volume gold with the rest being aluminum. Aluminum has a density of 2.70 g/cm³. Gold has a density of 13.1 g/cm³. If a piece of alloy contains 3.70 lbs. of gold, how many kg of aluminum does it contain?
1 answer