The titration of 28.50 mL of HCl solution of unknown concentration requires 12.63 of a 0.140 M N_{1}*O * H solution to reach the equivalence point. What is the concentration of the unknown HCl solution in M? M(HCI)=M

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What is the main reason why some developing countries fear the increase the free trade policies around the world?

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i