Simplify: (cos3theta+j*sin3theta)^5(cos4theta-j*sin4theta)^4/(cos5theta-j*sin5theta)^3(cos6theta+j*sin6theta)^2
Molar mass of CaSO4
The Ksp of nickel sulfide (NiS) is 4.0 x 10-20. What is the concentration of sulfide ion in a saturated solution of nickel sulfide to which 0.040 mol of nickel nitrate (NiNO3) is added? a. 2.0 x10-10M b. 1.0 x10-18M c. 1.0 x 10-22M d. 1.6 x 10-22M
