We would like to welcome you to the 7th ICMNS. The 7th ICMNS is organized by Faculty of Mathematics and Natural Sciences ITB and supported by School of.
. What is the mass percentage of water in each hydrate?. Fe(NO 3) 39H 2O. (NH 4) 3ZrOH(CO 3) 32H 2O. Which of the following has the greatest mass percentage of oxygen—KMnO 4, K 2Cr 2O 7, or Fe 2O 3?. A compound contains C 62.08%, H 10.34% and O 27.58% by mass. Find its empirical formula and its molecular formula given that its relative molecular mass is 58.
Find the empirical formula of the compound containing C 22.02%, H 4.59% and Br 73.39% by mass. A compound containing 85.71% C and 14.29% H has a relative molecular mass of 56. Find its molecular formula. A compound containing 84.21% carbon and 15.79% hydrogen by mass has a relative molecular mass of 114. Find its molecular formula. Analysis of a hydrocarbon showed that 7.8 g of the hydrocarbon contained 0.6 g of hydrogen and that the relative molecular mass was 78. Find the molecular formula of the hydrocarbon.
36 g of iron join with 1.44 g of oxygen in an oxide of iron. What is the empirical formula of the oxide?. A sample of a chromium compound has a molar mass of 151.99 g/mol. Elemental analysis of the compound shows that it contains 68.43% chromium and 31.57% oxygen. What is the identity of the compound?. The percentages of iron and oxygen in the three most common binary compounds of iron and oxygen are given in the following table. Write the empirical formulas of these three compounds.
Compound% Iron% Oxygen Empirical Formula 1 69.9 30.1 2 77.7 22.3 3 72.4 27.6 Untuk jawaban bisa diunduh,terima kasih sudah berkunjung.
Kode Mata Kuliah: KI1101 dan KI1201 SKS: 3 jam + tutorial 1 jam Praktikum: Lab Kimia, 5×4 jam (tiap 2 pekan) Ujian: 2 (dua) kali UTS dan 1 (satu) kali UAS (sebagai perbaikan) per semester Soal ujian: 6-7 soal uraian panjang Buku Pegangan: Brady, J. And Senese, F., Chemistry: MAtter and Its Changes, John Willey & Sons, 5th ed., 2009. Buku Tambahan:. Achmad, Hiskia. Penuntun Belajar Kimia Dasar. Citra Aditya Bakti.
Chang, R., Chemistry, 9th ed., McGraw-Hill. Keenan, Kleinfelter, et.al., Kimia Untuk Universitas. Kimia dasar 1. Penerbit ITB.
Indeks: A: NA ≥ 72 AB: 66 ≤ NA.