Determine the [oh] concentration in a 0.169 m ca(oh)2 solution. 0.338 m 0.169 m 5.92 x 10-14 m 2.96 x 10-14 m 0.298 m

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

Ineed ! it’s science and it’s due tomorrow!

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?