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How many significant figures in each number: a) 1000 b) 1000.0 c) 1201.30 d) 0.000034010 e) 290 f) 4.95 x 103
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An observation that requires measurement is called quantitative observable or qualitative
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If 15 drops of ethanol from a medicine dropper weigh 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? density of ethanol is ethanol is 0.80g/ml.
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Chemistry, 23.06.2019 06:30
1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.
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