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The concentration of calcium ions
The diffusion coefficient for calcium ions crossing a biological membrane 10nm thick is 300 micrometers squared/second and the
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asked by
Kelly
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Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of
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asked by
M
2,710 views
2NaF + CaCl2 �¨ CaF2 + 2NaCl
An excess of 0.20 M NaF is used to precipitate the calcium ions from a 50.0 mL sample of a calcium
4 answers
asked by
Neha
873 views
Following fertilization, the level of nitric oxide increases in a zygote. Following the
increase in nitric oxide, the
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22 views
52.8 mL of a calcium chloride solution with unknown concentration was treated with phosphoric acid to remove all of the calcium
3 answers
asked by
Kevin
576 views
What is the correct name for an ionic compound made up of calcium ions, Ca2+, and chloride ions, Cl–?
A. chloride calcium B.
1 answer
asked by
e
80 views
I have discovered a new chemical compound with the formula A2B. If a saturated solution of A2B has a concentration of
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asked by
Serena
2,539 views
The formula unit for the ionic compound, calcium bromide, consists of which of the following?
? 1 Ca+ ion and 1 Br- ion ? 1 Ca2+
1 answer
asked by
emma
22 views
In a neutral solution the concentration of _____.
hydrogen ions is less than the concentration of hydroxide ions water molecules
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Which argument supports the claim that dissolving solid calcium chloride (CaCl2) in water is a chemical change?
A. The ionic bond
3 answers
asked by
Cortney
2,573 views