3) One lab section accidentally used Ba(OH)2 instead of Ca(OH)2 when they performed this experiment. The TA told them that the Ksp of Ba(OH)2 is 2.55 x 10-4. What is the molar solubility of Ba(OH)2

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o

Salt in oceans comes from and of rocks