A chemist examined a sample containing a mixture of inorganic salts, and the following observations were recorded. Solid + Solid + Salt solution Test dilute HCl(ag) concentrated H2SO4(ag) + BaCl2(ag) Formation of white precipitate insoluble in Observation Effervescence Reddish-brown fumes dilute HCl(aq) *Based on the observations he made, which of the following anion radicals does the sample contain? a) CO32-, NO,", and SO,- b) HCO;", NO>", and SO,2- c) HCO3", NO3", and PO,- d) CO-, NO,-, and PO4-

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A chemist examined a sample containing a míxture of inorganic salts, and the
following observations were recorded.
Solid +
Solid +
Salt solution
Test
dilute HCl(ag) concentrated H,SO4(ag)
+ BaC2(ag)
Formation of
white precipitate
insoluble in
Observation Effervescence
Reddish-brown fumes
dilute HCI(aq)
*Based on the observations he made, which of the following anion radicals
does the sample contain?
a) CO3-, NO,", and SO,-
b) HCO3", NO, and SO,2-
c) HCO,", NO3", and PO,3-
d) CO-, NO2, and PO43-
Transcribed Image Text:A chemist examined a sample containing a míxture of inorganic salts, and the following observations were recorded. Solid + Solid + Salt solution Test dilute HCl(ag) concentrated H,SO4(ag) + BaC2(ag) Formation of white precipitate insoluble in Observation Effervescence Reddish-brown fumes dilute HCI(aq) *Based on the observations he made, which of the following anion radicals does the sample contain? a) CO3-, NO,", and SO,- b) HCO3", NO, and SO,2- c) HCO,", NO3", and PO,3- d) CO-, NO2, and PO43-
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