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related to: CA

1. ### What do we get from Ca + NaCl?

... carried out in aqueous solution . If you mix solid Ca metal with dry NaCl ( totally excluding water) no reaction...have been in the NaCl solution without the addition of the Ca metal.

4 Answers · Science & Mathematics · 03/06/2012

2. ### Can someone balance this equation? Ca (OH)2 + HNO3 + Ca (NO3)2 + H2O? Please explain. thanks so much.?

start with this __ Ca (OH)2 +__ HNO3 → __ Ca (NO3)2 +__ H2O next pick...put a 1 in front of the molecule containing Ca on the left. 1 Ca (OH)2 +__ HNO3 → __ Ca (NO3)2 +__ H2O now you...

5 Answers · Science & Mathematics · 09/03/2008

3. ### KCL that is contaminated with calcium chlorate ( Ca (ClO3)2) is heat in a tube. wat is the % weight of...?

Ca (ClO3)2 + KCl = CaCl2 + 3 O2 + KCl mass mixture KCl / Ca (ClO3)2 = 19.164 - 7.918=11.246 g mass KCl/ Ca (ClO3)2 after heating = 18.635 - 7.918 =10.717 g 11.246 - 10.717 =0...

2 Answers · Science & Mathematics · 04/11/2009

4. ### how do you know that Mg(OH)2 and Ca (OH) is strong acid?

Ca (OH)2 and Mg(OH)2 are strong BASES. There is a list of strong... hydroxide (NaOH) * Strontium hydroxide (Sr(OH)2) * Calcium hydroxide ( Ca (OH)2) * Lithium hydroxide (LiOH) * Rubidium hydroxide (RbOH) * ...

3 Answers · Science & Mathematics · 20/04/2009

5. ### Arrange the following atoms in order of increasing effective nuclear charge (n=3)?

Ca and Mg are almost ited but the one extra hell does not screen 100% so Mg <Mg<Nb<S<C

1 Answers · Science & Mathematics · 31/03/2011

6. ### 10 mL Ca (OH)2 solution is treated with 50 mL of .200 M HNO3. Excess HNO3 is titrated to endpoint with . . . .?

Ca (OH)2 + 2HNO3 = Ca (NO3)2 + 2H2O NaOH... left so 10-1.7 = 8.3 millimoles needed to neutralize Ca (OH)2 which means that the 10 mL of Ca (OH)2...

2 Answers · Science & Mathematics · 21/12/2009

7. ### How many electrons are in this?

Ca has atomic number 20 meaning it has 20 protons...

2 Answers · Science & Mathematics · 16/11/2010

8. ### Please calculate the [OH-] and [Ca2+] of the Ca (OH)2 solution...?

Ca (OH)2(aq) + 2HCl(aq) =⇒ CaCl2(aq) + 2H2O(l) 0... = 0.0020 moles HCl 0.0020 moles HCl x 1 mole Ca (OH)2 / 2moles HCl = 0.0010 moles Ca (OH2 Ca ...

2 Answers · Science & Mathematics · 16/03/2015

9. ### calculate the mass of Ca (OH)2 that neutralises this HCL?

Ca (OH)2 +2HCL ---> CaCl2+2H2O 1 mole 2 mole...the no of moles of slaked lime need 0.100 x 27/1000 moles Ca (OH)2 Since 1 mole Ca (OH)2 = 74g [40+2(16+1)] then...

2 Answers · Science & Mathematics · 01/11/2009

10. ### Ca (s) + Ca (NO3)2 reaction?

Ca (NO3)2is a solid! so presumably you didn't add it to that at all but to Ca (NO3)2 solution? The only reaction with calcium metal is the usual...

1 Answers · Science & Mathematics · 02/04/2012