A 5.99 g sample of a solid containing Ni is dissolved in 20.0 mL water. A 5.00 mL aliquot of this solution is diluted to 100.0 mL and analyzed in the lab. The analyzed solution was determined to contain 6.99 ppm Ni . Determine the molar concentration of Ni in the 20.0 mL solution.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

What natural processes produce large quantities of co2