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Pertanyaan

P a d a space p e m a n a s a n space k r i s t a l space t e r u s i space left parenthesis C u S O subscript 4. space cross times space H subscript 2 O right parenthesis space t e d a d i space p e n g u r a n g a n space m a s s a space d a r i space 24 comma 90 space g r a m space m e n j a d i space 15 comma 90 space g r a m space s e s u a i space r e a k s i colon space  C u S O subscript 4. space cross times space H subscript 2 O left parenthesis s right parenthesis space rightwards arrow space C u S O subscript 4 left parenthesis S right parenthesis space cross times space H subscript 2 O left parenthesis g right parenthesis space space  R u m u s space k r i s t a l space t e r u s i space t e r s e b u t space a d a l a h.... space left parenthesis A r space C u space equals space 63 space semicolon space S space equals space 32 space semicolon space 0 space equals space 16 space comma space H space equals space 1 right parenthesis

  1. C u S O subscript 4.5 space H subscript 2 O

  2. C u S O subscript 4.4 space H subscript 2 O space

  3. C u S O subscript 4. space H subscript 2 O space

  4. C u S O subscript 4.3 space H subscript 2 O space

  5. C u S O subscript 4.2 space H subscript 2 O space

D. Ayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

stack C u S O subscript 4 with 24 comma 90 space g r a m below. cross times H subscript 2 O space left parenthesis s right parenthesis space rightwards arrow space stack C u S O subscript 4 with 15 comma 90 space g r a m below space left parenthesis s right parenthesis space plus space x space H subscript 2 O space left parenthesis g right parenthesis space  M a k a space m a s s a space x space H subscript 2 O space a d a l a h space 24 comma 90 space g r a m space – space 15 comma 90 space g r a m space equals space 9 comma 00 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 space 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 space space fraction numerator m o l space H 2 O over denominator m o l space C u S O 4 end fraction space space  m o l space H subscript 2 O space equals space fraction numerator g r space H 2 O over denominator M r space H 2 O end fraction equals space space fraction numerator 9 space g r a m over denominator 18 end fraction equals 0 comma 5 space m o l space space  m o l space C u S O subscript 4 fraction numerator g r space C u S O 4 over denominator M r space C u S O 4 end fraction equals space space fraction numerator 15 comma 9 space g r a m over denominator 159 end fraction equals 0 comma 1 space m o l space space  J a d i comma space space x equals space space fraction numerator m o l space H 2 O over denominator m o l space C u S O 4 end fraction space equals space fraction numerator 0 comma 5 space m o l over denominator 0 comma 1 space m o l end fraction space equals space 5

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