Permanent Filter
Calculate permanent hardness of the following?
500ml of water sample is boiled for 1 hour. It is then cooled and filtered. The filtrate consists of 500 ml by adding distilled water. 50 ml of this solution requires 10 ml of EDTA N/50 with EBT indicator and ammonium chloride, ammonium hydroxide buffer. Boys and girls Please help me on this.
2 M + Y-4 ----> MY-2 units either guide you always use in your calculations to avoid errors in hardness mg CaCO3/liter = [(10 ml * 20.0 mmol of Y / L) / 500 ml sample] * CaCO3/mmoles mg CaCO3 Plug and SOLVE
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