In the reaction below, 150.0 g of water is collected. how many liters of sulfuric acid were used if the concentration is 0.650 m? h2so4 + na2co3 → na2so4 + co2 + h2o 1. 17.0 l 2. 0.670 l 3. 4.23 l 4. 12.8 l 5. 4130 l 6. 10.6 l

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost