Phosphoric acid is heated with a sodium halide to make the hydrogen halide and sodium phosphate. It is used to react with rust to make black iron(III) phosphate, which can be scraped off, leaving pure iron.
Select an entire document by using the mouse. To select the entire contents of the document body, do one of the following: On the Home tab, in the Editing group, click Select, and then click Select All. Move the pointer to the left of any text until it turns into a right-pointing arrow, and then triple-click.
Here's how to count words in Microsoft Word 2003: 1  Select Tools from the tool bar on the top of the page. 2  Select Word Count from the dropdown menu that appears. 3  Include the words in the footnotes and endnotes if those words are counted in the total number of words allowed in your paper.