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S e ban y ak 24 , 6 g r am k r i s t a l g r am ( M g S O 4 ​ . x H 2 ​ O ) d i p ana s kan se hin gg a m e n g ha s i l kan 12 g r am M g S O 4 ​ m e n u r u t re ak s i : M g S O 4 ​ . x H 2 ​ O ( s ) → M g S O 4 ​ ( s ) + x H 2 ​ O ( g ) R u m u s k r i s t a l g a r am a d a l ah ... ( A r M g = 24 ; S = 32 ; O = 16 ; H = 1 )

  1. MgSO4.3 H2O

  2. MgSO4.4 H2O

  3. MgSO4.5 H2O

  4. MgSO4.6 H2O

  5. MgSO4.7 H2O

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M. Firdhaus

Master Teacher

Mahasiswa/Alumni Universitas Jember

Jawaban terverifikasi

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Pembahasan

M g S O subscript 4. x H 2 O left parenthesis s right parenthesis rightwards arrow M g S O subscript 4 left parenthesis s right parenthesis plus x H subscript 2 O left parenthesis g right parenthesis  24 comma 60 g r a m 12 g r a m  M a k a space m a s s a space x H subscript 2 O space a d a l a h space 24 comma 60 space g r a m – 12 space g r a m equals 12 comma 60 space g r a m. space  U n t u k space m e n g e t a h u i space x comma d i m a n a space x space a d a l a h space m o l space d a r i space H subscript 2 O space m a k a space m e n g g u n a k a n space p e r b a n d i n g a n space  x equals fraction numerator m o l space H subscript 2 O over denominator m o l space M g S O subscript 4 end fraction  m o l space H subscript 2 O equals fraction numerator g r space H subscript 2 O over denominator M r space H subscript 2 O end fraction equals fraction numerator 12 comma 6 g r a m over denominator 18 end fraction equals 0 comma 7 m o l  m o l space M g S O subscript 4 space fraction numerator g r space M g S O subscript 4 over denominator M r space M g S O subscript 4 end fraction equals fraction numerator 12 g r a m over denominator 120 end fraction equals 0 comma 1 m o l  J a d i comma x equals fraction numerator m o l space H subscript 2 O over denominator m o l space M g S O subscript 4 end fraction equals fraction numerator 0 comma 7 m o l over denominator 0 comma 1 m o l end fraction equals 7

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