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What is the mass of 0.46 mil of mgcl2

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

Which of the following is a physical property flammability heat of combustion solubility and toxicity