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Span 125 has a HLB value of 7.4 Tween 128 has a HLB value of 17.0 The required HLB of a high grade mineral oil is 9.2. What p

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HLB Value of mixture = 4 H L By + X2 H L B2 Given: H2 Bq = 7.4 HL B2 = 170 x, is percontage of span X₂ = 12 percentage of 125

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