Which statement is true about molarity and percent by mass? (3 points)
a
They have the same u...
Answers: 2
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Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass
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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?
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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How many atoms of mg are present in 97.22 grams of mg? 6.022 Ă— 1023 2.408 Ă— 1024 4.818 Ă— 1024 5.855 Ă— 1025
Answers: 2
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