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Iis Siti Jahro
Universitas Negeri Medan
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SINTESIS DAN KARAKTERISASI SENYAWA ION BARIUM SULFAT (BaSO4) Iis Siti Jahro; Amanda Riani Hutagalung; Nazwa Syahwana; Efrida Handayani Marpaung; Riyanda Syahfitri
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i2.6112

Abstract

Abstract: This study aims to synthesize and characterize barium sulfate (BaSO?) as an ionic compound using a precipitation method, as well as to analyze its physical properties and solubility based on laboratory experimental results. The synthesis was carried out by reacting barium chloride (BaCl?) and sodium sulfate (Na?SO?) solutions in an aqueous medium, resulting in the formation of a white BaSO? precipitate. The precipitate was then separated through filtration, washed with distilled water, and dried to obtain a stable solid product. Characterization was conducted through physical and solubility tests. The results showed that the obtained BaSO? was in the form of a fine white powder. In the solubility test, the compound was found to be insoluble in water, indicating that BaSO? has very low solubility. Based on stoichiometric calculations, the theoretical mass was 2.33 grams, while the experimental mass was 0.55 grams, resulting in a percentage yield of 23.6%. The relatively low yield indicates that the synthesis process was not fully optimal. Theoretically, the formation of BaSO? precipitate is influenced by its very low solubility product constant (Ksp), causing Ba²? and SO?²? ions in solution to form a solid phase. The results of this study are consistent with theoretical principles in terms of precipitate formation, physical properties, and solubility, although differences were observed in the quantitative results. Keywords: Baso?, Precipitation, Ionic Compound, Solubility, Yield Abstrak: Penelitian ini bertujuan untuk mensintesis dan mengkarakterisasi senyawa ion Barium Sulfat (BaSO?) melalui metode pengendapan serta menganalisis sifat fisik dan kelarutannya berdasarkan hasil eksperimen laboratorium. Sintesis dilakukan dengan mereaksikan larutan Barium Klorida (BaCl?) dan natrium sulfat (Na?SO?) dalam medium berair sehingga terbentuk endapan putih BaSO?. Endapan yang dihasilkan kemudian dipisahkan melalui proses filtrasi, dicuci menggunakan Aquades, dan dikeringkan untuk memperoleh padatan yang stabil. Karakterisasi dilakukan melalui uji fisik dan uji kelarutan. Hasil pengamatan menunjukkan bahwa BaSO? yang diperoleh berbentuk serbuk halus berwarna putih. Pada uji kelarutan, senyawa ini tidak larut dalam air, yang menunjukkan bahwa BaSO? memiliki kelarutan yang sangat rendah. Berdasarkan perhitungan stoikiometri, diperoleh massa teoritis sebesar 2,33 gram, sedangkan massa hasil eksperimen sebesar 0,55 gram, sehingga diperoleh persen rendemen sebesar 23,6%. Nilai rendemen yang relatif rendah menunjukkan bahwa proses sintesis belum berlangsung secara optimal. Secara teoritis, pembentukan endapan BaSO? dipengaruhi oleh nilai hasil kali kelarutan (Ksp) yang sangat kecil, sehingga ion Ba²? dan SO?²? dalam larutan cenderung membentuk fase padat. Hasil penelitian ini menunjukkan kesesuaian dengan teori dari segi pembentukan endapan, sifat fisik, dan kelarutan, meskipun terdapat perbedaan pada hasil kuantitatif yang diperoleh. Kata kunci: BaSO?, Pengendapan, Senyawa Ion, Kelarutan, Rendemen
Co-Authors Adelia Yesya Putri Hasibuan Agnes Yuniarty Simbolon Aisyah Harahap Aldo Geo Frengky Saragih Amalia, Meisya Amanda Riani Hutagalung Anggun Maharani Ani Sutiani Ani Sutiani Anisa Nursalsabillah Nasution Anjany Tasya Br Tarigan Annisa Rahayu Annisa Rahayu Ardiansyah Ardiansyah Arpah Rangkuti Asep Wahyu Nugraha Asep Wahyu Nugraha Aulianti, Dita Aulya Nurfaza Br. Tarigan Ayi Darmana Ayi Darmana Ayi Darmana, Ayi Az Zahra, Salwa Banu Nursanni Bohari M. Yamin Bohari M. Yamin Br Bangun, Kurnia Wati Catur Kurniawan Christin Angeline Laia CINDY CINDY Daeli, Dinastini Damanik, Haryana Debora Putri Sitorus Debora Putri Sitorus Deka Agustini Laia Delima Sianturi Delima Sianturi Deola Agnes Nadeak Dermawati Napitupulu Desri Berliana Daeli Djulia Onggo Djulia Onggo Djulia Onggo Dwi Rahmanisa Dwiyanda, Fadhilla Efrida Handayani Marpaung Efrio Angelina Sitio Eli Ester Pangaribuan Elit Manaman Gulo Elsa Elperida Pandiangan Esther Jacoba Martha Vertelman Fadhila, Nabila Nur Fadhilla Dwiyanda Fahimah Martak Fitria Febrianti, Fitria Gavril Orlando Tumio Manalu Grace Serephita Gracemon Aprilia Purba Gurning, Mita Agresia Halim Simatupang HANISAH HASIBUAN Harahap, Dhini Haryati Hotma Br Butar Butar Hutagalung, Tien Parsaulian Hutagaol, Rahul Intan Ayu Safitri Intan Fahira Yuzan Ismunandar Ismunandar . Ismunandar Ismu Izwani, Putri Khairi Jasmidi Jasmidi Jasmidi Jasmidi Jasmidi Junaidi Junaidi Juwitaningsih, Tita Kembaren, Theresya Yolanda Khuzaimah Dasopang Kristian Turnip Kurnia Wati Br Bangun MANIK, INDA WATI Marham Sitorus Meli Sartika Silaban Mery Juana Meyla Isnaini Sitorus Moondra Zubir Muhammad Ade Ikhsani Muhammad Isa Siregar Muhammad Nizam Murniaty Simorangkir Mutia Patmasari Batubara Nasution, Anisa Nursalsabillah Nasution, Rida Anastasia Nazwa Asti Azura Nazwa Ramadhani Nazwa Syahwana Nikita Ananda Limbong Nikita, Ade Rani Nuraini Natasya Nurfajriani Nurfajriani Nursanni, Banu Osberth Sinaga Pandiangan, Elsa Elperida Panjaitan, Nola Sari Perangin-angin, Reh Bungana Beru Petra van Koningsbruggen Pratama, Muhammad Rizky Putra, Mulhady Putri Faradilla Putri Rizkia, Putri Putri Yustika Sary Rabiah Afifah Daulay Rafida Khairani Rafidah Almira Samosir Ratu Evina Dibyantini Ratu Evina Dibyantini Regina Gresella Br Panjaitan Regina Tesalonika Silaban Retno Dwi Suyanti Ridha Salsabilah Rina Syadilla Ririn Denita Sinaga Riyanda Syahfitri Rode Juwita Sinaga Said, Fahrezi Hasyim Saragih, Innovayani Sarnika Simbolon Sartika Mahdalena Pasaribu Sary, Putri Yustika SATI, NAFFA Sembiring, Niki Arih Ersada Br Sembiring, Silvia Gressiela Br Siahaan, Suria Bersinar Sihombing, Cindy Monalisa Silaban, Regina Tesalonika Silvia Gressiela Br Sembiring SIMANJUNTAK, PUTRINA Simanullang, Selafionita Simanullang, Vanessa Putri Rizky Simaremare, Happy G. Maritoma Simatupang, Septania Oniza Sinaga, Steven Siregar, Eka Guspi Anti Sitorus, Francisca T. A Situmorang, Elsa Hasri Novensa Sri Adelia Sari Surya Dharma Suryani Suryani Suryani Suryani Susanto Imam Rahayu Susanto Imam Rahayu Sutiani, Ani Syafira, Eka Ananda Syafitri, Amelia Syafriani Syafriani, Syafriani Syahputra, Ricky Andi Tama, Gita Citra Tania Evelin Tarigan, Aulya Nurfaza Br. Theresya Yolanda Kembaren Vanessa Putri Rizky Simanullang Vebilla May Ningsih Veronika, Christy Chirona Vincencia Friandini Sagala Vrili Coirala Rama Uli Br Siregar Windayani, Neneng Wiranda Hasibuan Wiranda Hasibuan