Calculate the mass of calcium carbonate present in a 50.00 ml sample of an aqueous calcium carbonate standard, assuming the standard is known to have a hardness of 75.0 ppm (hardness due to caco3). also given is the density of the sample (0.9977g/ml) and the molar mass of caco3 (100.0g/mol).
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Chemistry, 22.06.2019 07:40, sadcase85
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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Chemistry, 22.06.2019 10:10, ragegamer334p3xlso
Stage in which a star’s outer layers have started to cool and grow outward?
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Chemistry, 22.06.2019 22:30, vhife4901
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Calculate the mass of calcium carbonate present in a 50.00 ml sample of an aqueous calcium carbonate...
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