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If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution? Verify that M(u,v)=A +u(B-A) +v(C -A) ( A,B,C vectors) is a parametric representation of surface of the triangle A(1,0,0) B(0,-1,2) C(0,2,1)? Name a class of annelids whose members may have protonephridia? W800: How many degrees C° does w800 reach? 7^(x+1) + 7^x + 7^(x-1) = 399, what is x?