How many moles of Cl- are in one litre of a 0.09 mol/L solution of CaCl2?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

When balancing a chemical equation: