A 0.3867-g sample that contains a mixture of Na2SO4 (142.04 g/mmol) and (NH4)2SO4 (132.14 g/mol) is dissolved in water and treat

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3 years ago

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A 0.3867-g sample that contains a mixture of Na2SO4 (142.04 g/mmol) and (NH4)2SO4 (132.14 g/mol) is dissolved in water and treat

ed with BaCl2, precipitating the SO42- as BaSO4 (233.39 g/mol). The resulting precipitate is isolated by filtration, rinsed free of impurities, and dried to a constant weight, yielding 653.3 mg of BaSO4. What is the %w/w Na2SO4 and %w/w (NH4)2SO4 in the sample?

Chemistry

1 answer:

Lena [83] · Answer 1 · 2022-08-21T19:27:10+03:00

Answer:

la rama de la mecánica que se ocupa del movimiento de los objetos sin referencia a las fuerzas que causan el movimiento.

las características o propiedades del movimiento en un objeto.

sustantivo plural: cinemáticamangyaring markahan ako bilang utak.Magandang araw ka munasana makatulong ito