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Posted: **Fri Apr 29, 2022 12:56 pm**

: 7 A 25 0 Ml Water Sample Requires 10 15ml Of 0 0104m Na2h2y To Reach Ebt End Point A Calculate The Moles Of Hard Wate 1 (22.13 KiB) Viewed 21 times

7. A 25.0 mL water sample requires 10.15mL of 0.0104M Na2H2Y to reach EBT end point. a) Calculate the moles of hard-water ions in the water sample. b) If the hardness is due to CaCO3, express the hardness in mg CaCO3/L sample.