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When x=0 does it have a y-intercept when it goes through both the x-axis and y-axis? Calculate the mole fraction of water in a mixture of 12g of water, 108g of acetic acid and 92g of ethyl alcohol? A 25.00 mL sample of a saturated Ca(OH)2 solution required 25.37 mL of 0.0200 M HCl to titrate it. Calculate the molar solubility of Ca(OH)2? Find Z and IT in a parallel circuit if R = 2.7k ohms and C = 330 pF when f = 50 KHz and V =4V / 0°.? 152x-378y=-74,-378x+152y= -604?