- Which compounds will not dissolve at acdic solution pbf2, pb(cn)2,pbi2,pb3(po4)2?

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(2^x-3)/(4^-2x)=64/8^x? X^2+x-12/x^2+2x-8 simplified and restrictions? 1. By using the scalar product of two vectors, show that the points A (1,-2) B (3,0) and C (5,2) are collinear? Which of the following is the unit of electric charge? Combustion analysis of a hydrocarbon produced 33.01g CO2 and 27.04g H2O.
Part A
Calculate the empirical formula of the hydrocarbon.?