- What is the amount in moles of sulphate ions in 100cm^3 of 0.020mol dm^-3 FeSO4(aq)?

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In a cross between two hetozygotes (Aa), the next generation will have what ratio of homozygotes to heterozygotes? Again, please help. Find all possible x such that x^4+2x^3+8x+9=0(mod 35).? SAPLING LEARNING QUESTION FOR CHEMISTRY!? Which is greater 0.4 or 0.12? Profit is given by the quadratic function P(q). Profit is $0 at q=13 and q=33. Maximal profit is $500. Find an expression for P(q)?