Given the reaction 2c2h6 7o2 4co2 6h2o at stp what is the total volume of co2 formed when 6.0 liters of c2h6 are completely oxidized

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.