4. YOU HAVE AN UNLABELLED BOTTLE THAT CONTAINS ONE OF THE FOLLOWINGCOMPOUNDS: AM

Question

4. YOU HAVE AN UNLABELLED BOTTLE THAT CONTAINS ONE OF THE FOLLOWINGCOMPOUNDS:
AMMONIUM NITRATE, BARIUM CHLORIDE, SODIUM CHLORIDE

YOU HAVE AVAILABLE TO YOU SOLUTIONS OF SILVER NITRATE ANDSODIUM SULFATE. WRITE APPROPRIATE EQUATIONS AND EXPLAIN HOW YOUCOULD TELL WHAT WAS IN THE BOTTLE
AMMONIUM NITRATE, BARIUM CHLORIDE, SODIUM CHLORIDE

YOU HAVE AVAILABLE TO YOU SOLUTIONS OF SILVER NITRATE ANDSODIUM SULFATE. WRITE APPROPRIATE EQUATIONS AND EXPLAIN HOW YOUCOULD TELL WHAT WAS IN THE BOTTLE

Explanation / Answer

First, take sample for each of them and label (1) :NH4NO3                                                                   (2) :BaCl2                                                                                (3) : NaCl Drop Na2SO4 in to each sample, whichone appears white precipitate BaSO4=> (2) isBaCl2                   BaCl2 + Na2SO4 -->BaSO4(s) + 2NaCl Take(2) away. We still have (1)NH4NO3and (2)NaCl. Use AgNO3    Drop AgNO3 in to (1) and (3), which oneappears white precipitate AgCl => (3)it has NaCl                   AgNO3 + NaCl --> AgCl(s) + NaNO3 => The last one is NH4NO3

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