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General Chemistry

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Surname 1 Your name Professor’s name Course Date General chemistry Q1 answer is A If 1 mL of a liquid has the mass of 1.52 g, then 30.0 mL has the mass of _____45.6_____ g. Working Density = 1.52 g/mL 1 mL of liquid has 1.52 gram 30 mL will have (30*1.52)=45.2 grams Q2 Answer is A 100.090090 Q3. D chopping a log into sawdust Q4. B 1.5*1023 no of atoms = W*6.023*10^23* atomicity/G.M.Wt G.M.Wt of NH4NO3 = 80g/mole atomicity of N in NH4NO3 = 2 no of nitrogen atoms = 10*6.023*10^23*2/80 = 1.5*1023 Q5 (a). HNO3 On dissolving HNO3 in water, it dissociates into its ions as HNO3 H+ + NO3-. So, ions present in HNO3 are H+ and NO3-. (b). Ca(OH)2 n dissolving Ca(OH)2 in water, it dissociates into its ions as - Surname 2 Ca(OH)2 Ca2+ + 2 OH- So, ions present in Ca(OH)2 and Ca2+ and OH-. (c). (NH4)2SO4 On dissolving (NH4)2SO4 in water, it dissociates into its ions as (NH4)2SO4 2 NH4+ + S ...
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