# AP Chemistry

How many milliliters of a 0.62 M HCl solution are needed to react completely with 4.7 g of zinc to form zinc(II) chloride?

1. 👍 0
2. 👎 0
3. 👁 194
1. Write and balance the equation.

Zn + 2HCl ==> ZnCl2 + H2

mols Zn = grams/molar mass
Use the coefficients in the balanced equation to convert mols Zn to mols HCl.
Now M HCl = mols HCl/L HCl. Youhave mols HCl and M HCl, solve for L HCl and convert to mL.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Chemistry

(a) Calculate the molarity of a solution that contains 0.175 mol ZnCl2 in exactly 150 mL of solution. (b) How many moles of HCl are present in 35.0 mL of a 4.50 M solution of nitric acid? (c) How many milliliters of 6.00 MNaOH

asked by Anon on October 31, 2011
2. ### chemistry

10). What is the molarity of an HCl solution if 42.5 mL of a 0.110 M KOH solution is needed to titrate a 25.0-mL sample of the acid? A) 0.187 M HCl B) 0.587 M HCl C) 0.0647 M HCl D) 5.35 M HCl E) 1.70 M HCl

asked by denis on November 28, 2011
3. ### science

What volume of 3.00M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.400M Na2CO3?

asked by zahraa on December 17, 2017
4. ### Ap chemistry

how many milliliters of a 0.46 M HCl solution are needed to react completely with a 6.4 g of zinc to form zinc (ii) chloride answer in mL Help please :( I was absent and don't know where to start

asked by Chasm on September 10, 2012
5. ### chemistry

What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.500M Na2CO3?

asked by Bella on April 7, 2014
1. ### Chemistry

A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution: Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) After 1.27 g of the impure metal was treated with 0.100 L of 0.768 M HCl, 0.0125 mol HCl remained.

asked by James on September 22, 2013
2. ### chemistry

What volume of 2.25\it M \rm HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.200\it M \rm Na_2CO_3?

asked by Lauren on April 7, 2013
3. ### chemistry

What volume of 3.00M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.400M Na2CO3?

asked by Anonymous on May 3, 2015
4. ### Chemistry

How many milliliters of a 0.20 M KOH are needed to completely neutralize 90.0 milliliters of 0.10 M HCl?

asked by Danny on May 5, 2010
5. ### chemistry

How many grams of magnesium metal will react completely with 5.2 liters of 4.0 M HCl? Show all of the work needed to solve this problem. Mg (s) + 2 HCl (aq) yields MgCl2 (aq) + H2 (g)

asked by Tessa on May 21, 2014
6. ### Chemistry

how many milliliters of 4 M h2so4 are needed to react completely with 23.7g of Bao2

asked by MJ on December 13, 2014