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{“questions”:{“lxeb8”:{“id”:”lxeb8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012\r\n\r\n \r\nSupponendo che l\u2019abbondanza relativa dei diversi isotopi del cloro sia: 75% cloro-35 (34,96 u.m.a.) e 25% cloro-37 (36,96 u.m.a.), la massa del cloro risulterebbe:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“iowkf”:{“id”:”iowkf”,”image”:””,”imageId”:””,”title”:”A) 34,96 u.m.a.”},”u47y2″:{“id”:”u47y2″,”image”:””,”imageId”:””,”title”:”B) 35,46 …

{“questions”:{“22tr9”:{“id”:”22tr9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nQuiz \u03c0test\r\n\r\n \r\nQuale \u00e8 la percentuale in massa dell\u2019ossigeno nell\u2019 acido solforico? \r\n\r\n \r\n[sono note le masse atomiche H: 1 uma S: 32 uma O: 16 uma]\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“948ff”:{“id”:”948ff”,”image”:””,”imageId”:””,”title”:”A) 8%”},”f4zx3″:{“id”:”f4zx3″,”image”:””,”imageId”:””,”title”:”B) 18%\r\n\r\n”},”6bbq7″:{“id”:”6bbq7″,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“qupmh”:{“id”:”qupmh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2014\r\n\r\n \r\nUn composto ha la seguente composizione percentuale in massa:\r\n\r\n \r\n40,2 % K\u00a0\u00a0\u00a0\u00a0\u00a0\u00a026,9 % Cr\u00a0\u00a0\u00a0\u00a0\u00a032,9 % O\r\n\r\n \r\nQual \u00e8 la formula empirica di tale composto?\r\n\r\n \r\n[Massa atomica relativa: …

{“questions”:{“84osc”:{“id”:”84osc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2011\r\n\r\n \r\nA quante moli corrispondono 9,0 ml di un composto avente P.M. 153, e densit\u00e0 1,7 g\/ml?\r\n“,”desc”:””,”hint”:””,”answers”:{“0sznp”:{“id”:”0sznp”,”image”:””,”imageId”:””,”title”:”A) 0,29″},”cjt73″:{“id”:”cjt73″,”image”:””,”imageId”:””,”title”:”B) 0,10″,”isCorrect”:”1″},”eh917″:{“id”:”eh917″,”image”:””,”imageId”:””,”title”:”C) 1,0″},”ef4xm”:{“id”:”ef4xm”,”image”:””,”imageId”:””,”title”:”D) 10,0″},”96yrg”:{“id”:”96yrg”,”image”:””,”imageId”:””,”title”:”E) 0,050″}}}},”results”:{“hj51a”:{“id”:”hj51a”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nI dati forniti dal quiz sono:\r\n\r\n …

{“questions”:{“4u2n8”:{“id”:”4u2n8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nQual \u00e8 la massa corrispondente a 0,051 moli di un composto la cui massa molare \u00e8 pari a 181,1 g\/mol?\r\n“,”desc”:””,”hint”:””,”answers”:{“4x3ka”:{“id”:”4x3ka”,”image”:””,”imageId”:””,”title”:”A) 92,4 g”},”m4mio”:{“id”:”m4mio”,”image”:””,”imageId”:””,”title”:”B) 18,11 g”},”8k03p”:{“id”:”8k03p”,”image”:””,”imageId”:””,”title”:”C) 4,618 g”},”fi0xz”:{“id”:”fi0xz”,”image”:””,”imageId”:””,”title”:”D) 9,236 …

{“questions”:{“ah4qm”:{“id”:”ah4qm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nQuante molecole sono contenute in 0,1 moli di O2?\r\n“,”desc”:””,”hint”:””,”answers”:{“bhha6”:{“id”:”bhha6″,”image”:””,”imageId”:””,”title”:”A) 6,02 \u00d7 1024“},”dii2u”:{“id”:”dii2u”,”image”:””,”imageId”:””,”title”:”B) 1,20 \u00d7 10\u201224“},”sr9mt”:{“id”:”sr9mt”,”image”:””,”imageId”:””,”title”:”C) 6,02 \u00d7 1022“,”isCorrect”:”1″},”rtgli”:{“id”:”rtgli”,”image”:””,”imageId”:””,”title”:”D) 6,02 \u00d7 10\u201222“},”xznfn”:{“id”:”xznfn”,”image”:””,”imageId”:””,”title”:”E) 1,20 \u00d7 1023“}}}},”results”:{“81ons”:{“id”:”81ons”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSappiamo che una …

{“questions”:{“mdqxy”:{“id”:”mdqxy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011\r\n\r\n \r\nA quante moli corrispondono 4,0 ml di un composto avente massa molecolare pari a 50 u.m.a. e densit\u00e0 1,25 g\/ml?\r\n“,”desc”:””,”hint”:””,”answers”:{“6sx9e”:{“id”:”6sx9e”,”image”:””,”imageId”:””,”title”:”A) 0,01″},”wgbig”:{“id”:”wgbig”,”image”:””,”imageId”:””,”title”:”B) 0,1″,”isCorrect”:”1″},”31un5″:{“id”:”31un5″,”image”:””,”imageId”:””,”title”:”C) 0,003″},”n4e33″:{“id”:”n4e33″,”image”:””,”imageId”:””,”title”:”D) 0,5″},”ouf9l”:{“id”:”ouf9l”,”image”:””,”imageId”:””,”title”:”E) 0,2″}}}},”results”:{“atlte”:{“id”:”atlte”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nI dati …

{“questions”:{“d3erx”:{“id”:”d3erx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011\r\n\r\n \r\nQuanti atomi di idrogeno sono presenti in una mole di acqua?\r\n“,”desc”:””,”hint”:””,”answers”:{“3q8cn”:{“id”:”3q8cn”,”image”:””,”imageId”:””,”title”:”A) 2 \u00d7 105“},”dhhre”:{“id”:”dhhre”,”image”:””,”imageId”:””,”title”:”B) 2,12 \u00d7 10\u201215“},”kfhw1”:{“id”:”kfhw1″,”image”:””,”imageId”:””,”title”:”C) 1,204 \u00d7 1024“,”isCorrect”:”1″},”0gprk”:{“id”:”0gprk”,”image”:””,”imageId”:””,”title”:”D) 6,02 \u00d7 1023“},”q6gpj”:{“id”:”q6gpj”,”image”:””,”imageId”:””,”title”:”E) 1,1 \u00d7 1015“}}}},”results”:{“049tw”:{“id”:”049tw”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nLa …

{“questions”:{“tobg9”:{“id”:”tobg9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2009\r\n\r\n \r\nIndica quale delle seguenti sostanze ha il peso molecolare minore:\r\n“,”desc”:””,”hint”:””,”answers”:{“tve1x”:{“id”:”tve1x”,”image”:””,”imageId”:””,”title”:”A) acqua”,”isCorrect”:”1″},”sh5hd”:{“id”:”sh5hd”,”image”:””,”imageId”:””,”title”:”B) azoto”},”yxja5″:{“id”:”yxja5″,”image”:””,”imageId”:””,”title”:”C) monossido di carbonio”},”wm600″:{“id”:”wm600″,”image”:””,”imageId”:””,”title”:”D) ossigeno”},”4vgz6″:{“id”:”4vgz6″,”image”:””,”imageId”:””,”title”:”E) anidride carbonica”}}}},”results”:{“xkz4p”:{“id”:”xkz4p”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl peso molecolare PM\u00a0 si determina sommando il peso …

{“questions”:{“40rlj”:{“id”:”40rlj”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2007\r\n\r\n \r\nLa massa molecolare dell’acqua \u00e8 pari a 18 u.m.a. Perci\u00f2 in 1 litro d’acqua sono contenute:\r\n“,”desc”:””,”hint”:””,”answers”:{“y5r03”:{“id”:”y5r03″,”image”:””,”imageId”:””,”title”:”A) 1,8 10\u20133 mol di acqua”},”fgtq5″:{“id”:”fgtq5″,”image”:””,”imageId”:””,”title”:”B) 1,8 103 mol di acqua”},”tzg7i”:{“id”:”tzg7i”,”image”:””,”imageId”:””,”title”:”C) 100 …