How many electrons are in an electrically neutral atom of boron? a-3 b-5 c-6 d-8

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

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.