Which of the following statements concerning the water hardness experiment is/are false? Select all that apply....
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Which of the following statements concerning the water hardness experiment is/are false? Select all that apply. OA Hard water is usually expressed as total parts per million (ppm) of EDTA by weight. |B. A standard solution of calcium carbonate is used to standardize the EDTA solution. C. The softening of water refers to the removal of magnesium and calcium ions from solution. |D. Hard water prevents the formation of soap lather. E. EDTA is a chelating agent that can lose 4 protons. Which of the following statements concerning the water hardness experiment is/are false? Select all that apply. OA Hard water is usually expressed as total parts per million (ppm) of EDTA by weight. |B. A standard solution of calcium carbonate is used to standardize the EDTA solution. C. The softening of water refers to the removal of magnesium and calcium ions from solution. |D. Hard water prevents the formation of soap lather. E. EDTA is a chelating agent that can lose 4 protons.
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water hardness is the amount of dissolved calcium and magnesium in the water Hard water is ... View the full answer
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