Chemistry, 05.10.2019 08:30 reghanhoward3
)what is the mass percent of a solution prepared by dissolving 18.9 grams of an unknown solid into 39.5 grams of water?
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22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
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)what is the mass percent of a solution prepared by dissolving 18.9 grams of an unknown solid into 3...
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