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- A salt solution (30% Na2CO3) weighing 1ton iscooled to 20C where the salt crystallizes asdecahydrate. What will be the crystal yield ifthe solubility is 21.5 kg anhydrous Na2CO3/100kg water? (assume that 3% of the totalsolution is lost by evaporation)Which of the following is the gravimetric factor formula for the following pair of substances? FW stands for formula weight. Choices are attached below. Sought-for Constituent Substance Weighed ZnO Zn2P2O7What would be the boiling point of 500 mL of chloroform if 10.50 grams of caffeine (molar mass = 194.19) was added? The normal boiling point of chloroform is 61.3oC, the density of chloroform is 1.49g/mL, and the Kb of chloroform is 3.63 oC/m. Only enter the numerical value for the answer. DO NOT include a unit.
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- Volume of an unknown used was 30 mL, Initial Buret volume was 0 and the Final Buret volume was 8.5 mL. What is the molarity of the unknown solution if the Net volume of NaOH being used was 8.5 mL and Millimoles (mmoles) NaOH reacted was 0.791? Then, what is the Mass (g) of Acetic Acid in unknown sample and thr average percent (%) Acetic Acid? (assume density = 1g/mL)calculate the weight of Sodium carbonate normality 0.1 N and prepared -1 * ? with 100 ml distilled water, given that the molecular weight was 106 gm1. How many microliters of a 25 \mu M MgCl2.6H2O solution would be needed to provide 152.48 ng of MgCl2.6H2O for a chemical reaction? [ Mwt MgCl2.6H2O = 203.3 g/mole