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How can I calculate total hardness in ppm CaCO3?
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35.0mL sample of water is titrated with 0.0100M EDTA. Exactly 9.70mL of EDTA are required to reach the EBT endpoint. How can I calculate total hardness in ppm CaCO3? Please Please help, any equation? Thanks
Calculate the ppm CaCO3 hardness of a water sample
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The calcium hardness of a water sample is found by complexation of Ca2+ with excess EDTA and back-titrating the excess with MgCl2. A known amount of EDTA (0.0100 M, 25.00 mL) is added to a 20 mL aliquot of the water sample. (Y is used to symbolise the EDTA molecule) Ca2+(aq) + Y4-(aq) <->...
What is the difference between coated vs. Uncoated Calcium Carbonate (CaCO3)?
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What is the difference between coated vs. uncoated Calcium Carbonate (CaCO3)?
Calcium:can you combined coral calcium and calcium citrate in your diet?
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Is it OK to take both on the same day at different times: coral calcium and calcium citrate?
In the chemical reaction CaCO3=CaO+CO2, if 40.0g of CaCO3 is decomposed, how many gra
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okay, here is the question: in the chemical reaction CaCO3=CaO+CO2, if 40.0g of CaCO3 is decomposed, how many grams of CaO are produced? Also, where did "the rest" of the mass go anyway? I'm kind of confused on this question any leads would help. Thanks. View more questions Search
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