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1) A piece of magnesium weighing 2.00 gr. is dropped into 100 mL of 2.00 M...

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Chemistry

1) A piece of magnesium weighing 2.00 gr. is dropped into 100 mLof 2.00 M H2SO4 when the reaction has ceased which of the reactantsremains in excess and by how much? (Write the chemical reactionthat takes place.) 

.

5- How many mL of 2.0 M H2SO4 would be required to react with25.0 gr. of zinc? 

(Write the chemical reaction that takes place.)
.  

6- What is the molarity of a solution which contains 25.0% H2SO4by weight and which has a density of 1.13 gr/mL? 


Answer & Explanation Solved by verified expert
4.5 Ratings (617 Votes)
1Reaction between H2SO4 and Mg isMg H2SO4 MgSO4 H2 gHence complete neutralizationmoles of Mg moles of Sulfuric acid Given moles of Mg mass of Mg molar mass 20024    See Answer
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