CBSE Class 11-science Answered

by the reactio of 10gm Mno2 & hcl , 2.24 L cl2 formed , calcule % composition of mno2?

Asked by pinkugoswami444 | 25 Mar, 2020, 08:23: AM

Expert Answer

MnO subscript 2 space space plus space 4 HCl rightwards arrow MnCl subscript 2 space plus space Cl subscript 2 space plus space 2 straight H subscript 2 straight O According space to space this space chemical space equation comma 87 space straight g space of space MnO subscript 2 space gives space 22.4 space straight L space of space Cl subscript 2. So comma space if space 2.224 space straight L space of space Cl subscript 2 space is space spresent space it space means space it space is space formed space by space 8.7 space straight g space of space MnO subscript 2. Total space MnO subscript 2 space end subscript taken equals 10 space straight g Reacted space MnO subscript 2 equals 8.7 space straight g Which space means space MnO subscript 2 space is space impure. Impurity equals space 10 minus 8.7 equals 1.3 space straight g So comma space percent sign space composition space of space MnO subscript 2 equals fraction numerator 8.7 over denominator 10 end fraction cross times 100 equals 87 percent sign

MnO subscript 2 space space plus space 4 HCl rightwards arrow MnCl subscript 2 space plus space Cl subscript 2 space plus space 2 straight H subscript 2 straight O According space to space this space chemical space equation comma 87 space straight g space of space MnO subscript 2 space gives space 22.4 space straight L space of space Cl subscript 2. So comma space if space 2.224 space straight L space of space Cl subscript 2 space is space spresent space it space means space it space is space formed space by space 8.7 space straight g space of space MnO subscript 2. Total space MnO subscript 2 space end subscript taken equals 10 space straight g Reacted space MnO subscript 2 equals 8.7 space straight g Which space means space MnO subscript 2 space is space impure. Impurity equals space 10 minus 8.7 equals 1.3 space straight g So comma space percent sign space composition space of space MnO subscript 2 equals fraction numerator 8.7 over denominator 10 end fraction cross times 100 equals 87 percent sign

MnO subscript 2 space space plus space 4 HCl rightwards arrow MnCl subscript 2 space plus space Cl subscript 2 space plus space 2 straight H subscript 2 straight O According space to space this space chemical space equation comma 87 space straight g space of space MnO subscript 2 space gives space 22.4 space straight L space of space Cl subscript 2. So comma space if space 2.224 space straight L space of space Cl subscript 2 space is space spresent space it space means space it space is space formed space by space 8.7 space straight g space of space MnO subscript 2. Total space MnO subscript 2 space end subscript taken equals 10 space straight g Reacted space MnO subscript 2 equals 8.7 space straight g Which space means space MnO subscript 2 space is space impure. Impurity equals space 10 minus 8.7 equals 1.3 space straight g So comma space percent sign space composition space of space MnO subscript 2 equals fraction numerator 8.7 over denominator 10 end fraction cross times 100 equals 87 percent sign

MnO subscript 2 space space plus space 4 HCl rightwards arrow MnCl subscript 2 space plus space Cl subscript 2 space plus space 2 straight H subscript 2 straight O According space to space this space chemical space equation comma 87 space straight g space of space MnO subscript 2 space gives space 22.4 space straight L space of space Cl subscript 2. So comma space if space 2.224 space straight L space of space Cl subscript 2 space is space spresent space it space means space it space is space formed space by space 8.7 space straight g space of space MnO subscript 2. Total space MnO subscript 2 space end subscript taken equals 10 space straight g Reacted space MnO subscript 2 equals 8.7 space straight g Which space means space MnO subscript 2 space is space impure. Impurity equals space 10 minus 8.7 equals 1.3 space straight g So comma space percent sign space composition space of space MnO subscript 2 equals fraction numerator 8.7 over denominator 10 end fraction cross times 100 equals 87 percent sign

MnO subscript 2 space space plus space 4 HCl rightwards arrow MnCl subscript 2 space plus space Cl subscript 2 space plus space 2 straight H subscript 2 straight O According space to space this space chemical space equation comma 87 space straight g space of space MnO subscript 2 space gives space 22.4 space straight L space of space Cl subscript 2. So comma space if space 2.224 space straight L space of space Cl subscript 2 space is space spresent space it space means space it space is space formed space by space 8.7 space straight g space of space MnO subscript 2. Total space MnO subscript 2 space end subscript taken equals 10 space straight g Reacted space MnO subscript 2 equals 8.7 space straight g Which space means space MnO subscript 2 space is space impure. Impurity equals space 10 minus 8.7 equals 1.3 space straight g So comma space percent sign space composition space of space MnO subscript 2 equals fraction numerator 8.7 over denominator 10 end fraction cross times 100 equals 87 percent sign

MnO subscript 2 space space plus space 4 HCl rightwards arrow MnCl subscript 2 space plus space Cl subscript 2 space plus space 2 straight H subscript 2 straight O According space to space this space chemical space equation comma 87 space straight g space of space MnO subscript 2 space gives space 22.4 space straight L space of space Cl subscript 2. So comma space if space 2.224 space straight L space of space Cl subscript 2 space is space spresent space it space means space it space is space formed space by space 8.7 space straight g space of space MnO subscript 2. Total space MnO subscript 2 space end subscript taken equals 10 space straight g Reacted space MnO subscript 2 equals 8.7 space straight g Which space means space MnO subscript 2 space is space impure. Impurity equals space 10 minus 8.7 equals 1.3 space straight g So comma space percent sign space composition space of space MnO subscript 2 equals fraction numerator 8.7 over denominator 10 end fraction cross times 100 equals 87 percent sign

Answered by Ravi | 25 Mar, 2020, 06:25: PM

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