Chemistry, 17.06.2020 04:57 wwesuplexcity28
Two hundred forty-eight milliliters of an acid with an unknown concentration are titrated with a base that has a concentration of 1.4 M. The indicator changed color when 82 milliliters of base were added. What is the concentration of the unknown acid? 4.2 M 0.46 M
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Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
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Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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Two hundred forty-eight milliliters of an acid with an unknown concentration are titrated with a bas...
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