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Testing for water hardness using

The hardness of water (hardness count) is usually expressed as parts per million (by mass) of calcium carbonate. What is the
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2. asked by jen
3. 7,298 views
Kim’s dad works as a microbiologist at the local water treatment plant. The CDC sent an alert to test the water for COVID-19.
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2. 86 views
Kim’s dad works as a microbiologist at the local water treatment plant. The CDC sent an alert to test the water for COVID-19.
1. 1 answer
2. 79 views
Kim’s dad works as a microbiologist at the local water treatment plant. The CDC sent an alert to test the water for COVID-19.
1. 1 answer
2. 82 views
An ion exchange process may be used to remove ions causing hardness of water.Outline how this works. 1. Ca2+ and Mg2+ are the
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2. asked by Annie
3. 1,928 views
Testing for water hardness using EDTA as a titrant:Suggest a reason why the buffer is good for only a week. The buffer contains
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2. asked by Ken
3. 622 views
25.0 mL tap water is titrated with 0.00500 M EDTA 7.95mL EDTA is required for complete reaction with water hardness what is the
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2. asked by Kellie
3. 870 views
Hardness in groundwater is due to the presence of metal ions, primarily Mg2+ and Ca2+ . Hardness is generally reported as ppm
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2. asked by dreza
3. 415 views
Use the Mohs Hardness Scale chart to answer the question.A chart titled Mohs Hardness Scale shows minerals of increasing
1. 1 answer
2. 67 views
Use the Mohs Hardness Scale chart to answer the question.A chart titled Mohs Hardness Scale shows minerals of increasing
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2. asked by What is most necessary for a coherent text to do?(
3. 77 views