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1. ### How many Nitrate ions are there in 0.42 mol of Ca (NO3)2?

Each Ca (NO3)2 has 2 NO3^- ions So...the number of molecules in 0.42 moles of Ca (NO3)2 = 0.42 mol x 6.022x10^23 molecules/mole...

3 Answers · Science & Mathematics · 11/11/2012

2. ### When 350 mL of a 0.6 M solution of calcium nitrate is combined with 400 mL of a 1.4 M solution of sodium ca ?

Ca (NO3)2 + Na2CO3 --> CaCO3 + 2NaNO3 1. Find... reactant 0.6moles/L *(0.350L) = 0.21 moles Ca (NO3)2 1.4moles/L * (0.400L) = 0.56 moles Na2CO3...

1 Answers · Science & Mathematics · 07/08/2013

3. ### If 0.030 moles of H3PO4 are mixed with 0.020 moles of Ca (OH)2?

Chemical reaction: 3 Ca (OH)2(aq) + 2 H3PO4(aq) --> Ca3(PO4)2(s) + 6 ...reaction should be quantitative. That means that all of the H3PO4 and Ca (OH)2 should be reacted. In the reaction of 3 moles...

1 Answers · Science & Mathematics · 30/10/2012

4. ### In and ca (oh)2 and hcl titration to determine ksp of caoh how would solid calcium hydroxide remaining affect..?

Ca (OH)2 + 2HCl --> CaCl2 + 2H2O under acidic ... would be more than the standard Ksp at STP. if any Ca (OH)2 remains solid, this will not affect the Ksp, the acidity of...

2 Answers · Science & Mathematics · 14/11/2010

5. ### What's the balanced chemical equation for...?

Ca (OH)2 + 2HCl ---> CaCl2 + 2H2O

1 Answers · Science & Mathematics · 28/03/2010

6. ### A 15.0 mL sample of saturated solution of Ca (OH)2 is titrated with 25.5mL of 0.0136 M HCL?

write a balanced equation Ca (OH)2 + 2HCl -------> CaCl2 + 2H2O(l) Work... equation shows 2 moles HCl react with 1 mole Ca (OH)2 So 1 mol HCl needs 1/2 mole Ca (...

1 Answers · Science & Mathematics · 26/07/2009

7. ### 16 g of Ca react with water. Calculate the volume of H2 gas produced at STP.?

Ca + 2H2O----> Ca (OH)2 + H2 1 mol of Ca : 40 g of Ca hence, x mol of Ca : 16g of Ca x=16/40 x=0.4 mol of Ca ...

1 Answers · Science & Mathematics · 29/01/2013

8. ### lactic acid is a weak acid found in milk. growing animals use its calcium salt ( Ca (Lact)2) as a source of calc?

Ca (C3H6O3)2 (s) <----> Ca2+(aq) + 2C3H6O3- (aq) note this is lactate not lactic acid! --You know .26M Ca makes 1 mol Ca and 2 mol C3H6O3-. Multiply [...

1 Answers · Science & Mathematics · 09/04/2011

9. ### Lewis Structure for Ca (CN)2?

... you cannot count the core electrons. For example, Ca has 20 electrons but only 2 valence electrons. Ca ...

2 Answers · Science & Mathematics · 03/01/2011

10. ### Titration trial for HCl and Ca (OH)2?

...qn b) But you know that calcium hydroxide reacts with hydrochloric acid: Ca (OH)2 + 2HCl ---------------------> 2H2O + ...

1 Answers · Science & Mathematics · 23/06/2013