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[" 17."1.84g" mixture of "CaCO(3)" and "...

[" 17."1.84g" mixture of "CaCO_(3)" and "MgCO_(3)" was heated to a constant weight till 0.96"g" residue formed.% (by mass) "],[" of "MgCO_(3)" in sample was "],[[" (1) "45.66%," (2) "54.34%," (3) "30%," (4) "70%],[" Sol.Answer "(1)]]

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