%3Cdiv%20class%3D%22ugc-base%20c9%22%3E%0A%3Cp%20class%3D%22c4%22%3E%3Cspan%20cl

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%3Cdiv%20class%3D%22ugc-base%20c9%22%3E%0A%3Cp%20class%3D%22c4%22%3E%3Cspan%20class%3D%22c1%20c1%22%3EIn%20a%20qualitative%20analysis%0Aprocedure%2C%20a%20chemist%20adds%20HCl%20to%20an%20unknown%20group%20of%20ions%20and%20then%0Asaturates%20the%20solution%20with%20H%3C%2Fspan%3E%3Csub%20class%3D%0A%22c2%20c2%22%3E2%3C%2Fsub%3E%3Cspan%20class%3D%22c1%20c1%22%3ES%20so%20that%20the%20solution%0Ais%20%3C%2Fspan%3E0.5%3Cspan%20class%3D%22c1%20c1%22%3E%26nbsp%3B%3C%2Fspan%3E%3Ci%20class%3D%0A%22c3%20c3%22%3EM%3C%2Fi%3E%3Cspan%20class%3D%22c1%20c1%22%3E%26nbsp%3Bin%20HCl%20and%0A0.10%26nbsp%3B%3C%2Fspan%3E%3Ci%20class%3D%22c3%20c3%22%3EM%3C%2Fi%3E%3Cspan%20class%3D%22c1%20c1%22%3Ein%0AH%3C%2Fspan%3E%3Csub%20class%3D%22c2%20c2%22%3E2%3C%2Fsub%3E%3Cspan%20class%3D%22c1%20c1%22%3ES.%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cdiv%20class%3D%22indent%20c5%20c6%22%3E(a)%20What%20is%20the%20%5BHS%26nbsp%3B%3Csup%20class%3D%0A%22c5%22%3E-%3C%2Fsup%3E%5D%20of%20the%20solution%3F%20(Note%3A%20The%20answer%20should%20be%20rounded%0Ato%20one%20significant%20figure.%20Be%20careful%2C%203.5%20rounds%20up%20to%204%2C%20but%204.5%0Arounds%20down%20to%204!)%26nbsp%3B%3Cbr%20%2F%3E%0A%3Cbr%20%2F%3E%3C%2Fdiv%3E%0A%3Cdiv%20class%3D%22indent%20c5%20c6%22%3E(b)%20If%200.01%26nbsp%3B%3Ci%20class%3D%0A%22c3%22%3EM%3C%2Fi%3E%26nbsp%3Bof%20each%20of%20the%20following%20ions%20is%20in%20the%20solution%2C%0Awhich%20will%20form%20a%20precipitate%3F%20(Select%20all%20that%20apply.)%0A%3Cdiv%20class%3D%22multBox%20questionRadio%20c12%20c6%22%3E%0A%3Cdiv%20class%3D%22waMarkWrap%20container%20c6%22%3E%3Cspan%20id%3D%0A%22RS_661861_12_1_665897_mark%22%20class%3D%0A%22waMark%20mIncorrect%20c11%20c1%22%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_0%22%20class%3D%22c7%22%3ECu%3Csup%20class%3D%0A%22c5%22%3E2%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_1%22%20class%3D%22c7%22%3ENi%3Csup%20class%3D%0A%22c5%22%3E2%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_2%22%20class%3D%22c7%22%3EHg%3Csup%20class%3D%0A%22c5%22%3E2%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_3%22%20class%3D%22c7%22%3EK%3Csup%20class%3D%0A%22c5%22%3E%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_4%22%20class%3D%22c7%22%3EMn%3Csup%20class%3D%0A%22c5%22%3E2%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_5%22%20class%3D%22c7%22%3EPb%3Csup%20class%3D%0A%22c5%22%3E2%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_6%22%20class%3D%22c7%22%3EAg%3Csup%20class%3D%0A%22c5%22%3E%2B%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3Cspan%20class%3D%22ms%20c7%20c1%22%3E%3Clabel%20for%3D%0A%22RS_661861_12_1_665897_7%22%20class%3D%22c7%22%3EFe%3Csup%20class%3D%0A%22c5%22%3E2%3C%2Fsup%3E%3C%2Flabel%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fdiv%3E%0A%3C%2Fdiv%3E%0A%3Cbr%20%2F%3E%3C%2Fdiv%3E%0A%3Cp%20class%3D%22c4%22%3E%3Cb%20class%3D%22c13%20c8%22%3EHint%3A%3C%2Fb%3E%3Cspan%20class%3D%22c1%20c1%22%3E%26nbsp%3B%0AFirst%2C%20calculate%20%5BHS%3C%2Fspan%3E%3Csup%20class%3D%22c14%20c5%22%3E-%3C%2Fsup%3E%3Cspan%20class%3D%0A%22c1%20c1%22%3E%5D%20produced%20by%20the%20dissociation%20of%20H%3C%2Fspan%3E%3Csub%20class%3D%0A%22c2%20c2%22%3E2%3C%2Fsub%3E%3Cspan%20class%3D%22c1%20c1%22%3ES%20from%20the%20given%20concentrations%0Aof%20HCl%20and%20H%3C%2Fspan%3E%3Csub%20class%3D%22c2%20c2%22%3E2%3C%2Fsub%3E%3Cspan%20class%3D%0A%22c1%20c1%22%3ES.%26nbsp%3B%20Second%2C%20calculate%20%5BOH%3C%2Fspan%3E%3Csup%20class%3D%0A%22c14%20c5%22%3E-%3C%2Fsup%3E%3Cspan%20class%3D%22c1%20c1%22%3E%5D%20from%20the%20given%20concentration%0Aof%20HCl.%26nbsp%3B%20Then%20calculate%26nbsp%3B%3C%2Fspan%3E%3Ci%20class%3D%0A%22c3%20c3%22%3EQ%3Csub%20class%3D%22c2%22%3Esp%3C%2Fsub%3E%3C%2Fi%3E%3Cspan%20class%3D%22c1%20c1%22%3E%26nbsp%3Bfor%0Aeach%20of%20the%20metal%20sulfides.%26nbsp%3B%20Remember%2C%20sulfides%20have%20unique%0Asolubility%20equilibria.%3C%2Fspan%3E%3C%2Fp%3E%0A%3C%2Fdiv%3E%0A%3Cdiv%20class%3D%22related-to%20c11%22%3E%3Cspan%20class%3D%0A%22related-label%20txt-3-small%20c10%22%3EChemistry%3C%2Fspan%3E%3C%2Fdiv%3E%0A

Explanation / Answer

[HS]- represents sulfide, is an inorganic anion of sulfur with sulphur in -2 oxidation state. It is a strong base, can sometimes be corrosive. Sulfide salts are generally colourless.

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