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The formula of a sodium containing compound is Na, XY, where X and Y are fictitious elements. What would be the formula if sodium were replaced by iron(W) ion? o a Fe2(XY3)3 O b. Fe2XY3 c. Fe3(XY3)2 d. Fe(XY3)2 e. FeXY3
35 Magnesium hydroxide has different applications. In medicine, for example, it can be used as an antiacid. The reaction with the hydrochloric acid in gastric juices is as follows: Mg(OH)2 (aq) + 2 HCl(aq) - MgCl2 (aq) + 2 H20 (1) Suppose a person has 250 mL of gastric fluid contents, with a pH of 1.500. If Magnesium hydroxide is administered as a 0.700 M solution, what volume of it will be necessary to neutralize the acid? O a. 267 ml O b. 11.3 ml c. 22.6 mi d. 5.64 ml e. 534 ml