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You want to prepare 50cm of 0.1m naoh from exactly 50% (wt/wt) naoh solution. what volume of the 50% solution is required
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Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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You want to prepare 50cm of 0.1m naoh from exactly 50% (wt/wt) naoh solution. what volume of the 50%...
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