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History Bookmarks People Window Help My Blackboare x Pointing Dog F US Dog Regist x e huntin X Course Hot g.com/ibiscms/modibis/view.php?ida2886728 Print Periodic Table Question 17 cf 18 General Chemistry 4th Edition University Science Books presented by Saping Learning zinc reacts with hydrochloric acid according to the reaction equation How many milliliters of 4.00 M HCIaq) are required to react with 9.25 g of znos)? Number mL, o Previous ® Give up 8 view Solution check Answer 0 about us l careers partners privacy policy terms of use o

Explanation / Answer

    Zn + 2HCl -------> ZnCl2 + H2

no of moles of Zn = W/G.A.Wt

                              = 9.25/65.4   = 0.1414 moles

from balanced equation

1 mole of Zn react with 2 moles of HCl

0.1414 moles of Zn react with = 2*0.1414 = 0.2828 moles of HCl

molarity of HCl   = no of moles/ volume in L

4                         = 0.2828/volume in L

volume in L      = 0.2828/4 = 0.0707L

                                          = 70.7ml >>>> answer

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