Calculations ( Lab Data is Linked) 1. Determine the number of moles of hydrogen gas that was produced with the complete reaction of the magnesium metal with excess hydrochloric acid. 2. Using Dalton's Law of Partial Pressure and the vapor pressure of water, determine the partial pressure of dry hydrogen gas. 3. Using the ideal gas law based on the collection of dry hydrogen gas, calculate the value of ideal gas law constant, R.

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.