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4. Many solutions in the laboratory are prepared at concentrations greater than what is needed for an application. These concentrated liquids are called stock solutions and are diluted with water to reach the desired final concentration. Determine how many mL water and stock solution are needed to prepare 750 mL of Hartmann's solution. The stock solution contains four salts as shown below. ,75 L Stock solution: 25.0 mM KCl 0a5M 10.0 mM CaCl2 = .01 M 510 mM NaCl .51 M 145 mM NaC,H,O3 .u5 M 0145 :
4. Many solutions in the laboratory are prepared at concentrations greater than what is needed for an application. These concentrated liquids are called stock solutions and are diluted with water to reach the desired final concentration. Determine how many mL water and stock solution are needed to prepare 750 mL of Hartmann's solution. The stock solution contains four salts as shown below. ,75 L Stock solution: 25.0 mM KCl 0a5M 10.0 mM CaCl2 = .01 M 510 mM NaCl .51 M 145 mM NaC,H,O3 .u5 M 0145 :
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