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Find the concentration of calcium

If a solution of Ca(OH)2 has a pH of 12.31 how can I calculate the concentration of calcium hydroxide in mol L-1 ?Write the
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2. asked by Fiona
3. 1,014 views
The diffusion coefficient for calcium ions crossing a biological membrane 10nm thick is 300 micrometers squared/second and the
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2. asked by Kelly
3. 680 views
2NaF + CaCl2 �¨ CaF2 + 2NaClAn excess of 0.20 M NaF is used to precipitate the calcium ions from a 50.0 mL sample of a calcium
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2. asked by Neha
3. 957 views
Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:CaO + CO2 ⇌ CaCO3 When the
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2. 60 views
Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:CaO + CO2 ⇌ CaCO3 When the
1. 1 answer
2. 58 views
Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:CaO + CO2 ⇌ CaCO3 When the
1. 1 answer
2. 140 views
Find the concentration of calcium in ppm in a 3.50g pill that contains 40.5mg of Ca.
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2. asked by Juma Michael Gombeza
3. 911 views
What is the average ion concentration in a 7.9 mL saturated solution of calcium hydroxide containing calcium chloride (CaCl2)?
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2. asked by Erica
3. 636 views
Solid calcium hydroxide, Ca(OH)2, is dissolved in water until the pH of the solution is 10.23.What is the concentration of
1. 2 answers
2. asked by ston
3. 980 views
Teeth and bones are composed, to a first approximation, of calcium phosphate, Ca3(PO4)2(s). The Ksp for this salt is 1.3 10-32
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2. asked by Laura
3. 1,119 views