- Calculate the molarity of 25.7 g NaCl in a 157 mL solution.?

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If f(x)=ln(x)+arctan(x), find the derivative of f^(-1)(2) (inverse of f(x))? Caesium is more metallic than Lithium justify? Evaluate the limit: lim(x->0+) of integral(x to 1) 1/sqrt(t) dt? 1g of ice at -4 degrees Q? Vapor at 110 degrees.? Rotate the axes to eliminate the xy-term in the equation: 13x²+(6√3)xy+7y²-16=0?