AGNOSTHESIAIN AGNOSTHESIAIN Chemistry Answered The hydrogen ion concentration of a sodium hydroxide solution is 0.00050 M. How is this concentration written in scientific notation? A. 5.0 x 10⁻⁴M B. 50 x 10⁴ M C. 5.0 x 10⁴ M D. 50 x 10⁻⁴M