Một dung dịch x có chứa 0, 0 1 mol ba2 + + 0,01 mol NO3 trừ- và a mol O2 - b mol Na + + để trung hòa 1,2 dung dịch X vì người ta cần dùng 200 ml dung dịch HCl 0,1M khối lượng chất rắn thu được khi cô cạn dung dịch X là

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.

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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.