A 75.0 mL portion of a 1.30 M solution is diluted to a total volume of 258 mL. A 129 mL portion of that solution is diluted by adding 167 mL of water. What is the final concentration? Assume the volumes are additive.

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?