When aluminum replaces up to half of the silicon atoms in SiO 2 , a mineral class

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When aluminum replaces up to half of the silicon atoms in SiO2, a mineral class called feldspars result. The feldspars are the most abundant rock-forming minerals, comprising about 50% of the minerals in Earth’s crust. Orthoclase is a feldspar in which Al replaces one-fourth of the Si atoms of SiO2, and charge balance is completed by K+ ions. Determine the chemical formula for orthoclase.

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Chemistry The Central Science

ISBN: 978-0134414232

14th Edition

Authors: Theodore Brown, H. LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward, Matthew Stoltzfus

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