What is the maximum amount (in grams) of ca(no3)2 that can be released into a tank containing 1 l of water containing na2co3 at an analytical concentration of 2.41 x 10 ^-3 m and with a buffered ph of 6.7 without precipitating calcium carbonate (caco3) in any of its allotropic forms: calcite (kps = 2.58 x 10 ^-9) or aragonite (kps = 9.9 x 10 ^-9)?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi