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ollegr [7]
3 years ago
10

How does an ionic bond form

Chemistry
1 answer:
Harlamova29_29 [7]3 years ago
3 0
Ionic bonds are formed from the attraction of oppositely charged ions in a chemical compound
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For hydrocyanic acid, HCN, Ka = 4.9 × 10-10. Calculate the pH of 0.20 M NaCN. What is the concentration of HCN in the solution?
gogolik [260]
By using the ICE table :

initial    0.2 M            0           0
change -X                 + X           +X
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when Ka = (X) (X) / (0.2-X)
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3 years ago
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5 0
2 years ago
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What is the percent mass oxygen in calcium carbonate (CaCo3)?
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  <span>Step 1 is to determine the mass of each part 
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Step 4 is to double check by adding all percentages. If they equal 100, then I probably did it right. :) 
40.04 
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2 years ago
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<span>all of the above can be saturated molecules </span>
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