问题标题:
【高一化学、英语改错题.高手进!化学:在一定量硫酸铝和硫酸锌组成的混合物中,硫酸根离子的物质的量共2摩尔,若铝离子和锌离子的物质的量之比为2:3,则此混合物中硫酸锌的质量是多少?化】
问题描述:
高一化学、英语改错题.高手进!
化学:在一定量硫酸铝和硫酸锌组成的混合物中,硫酸根离子的物质的量共2摩尔,若铝离子和锌离子的物质的量之比为2:3,则此混合物中硫酸锌的质量是多少?
化学要有过程.
英语改错:
Lastevening,mymotherisboilingsomefishsoupinthekitchenwhileourdog,Lucky,wasstandingthere.Itwouldspendsometimebeforeitwasready.Mumdecidedtohaverestinthebedroom.Soonshewasasleep.LatelyLuckycameinandwokeherup.Mumthoughtitjustlookedforwardtogooutforawalkandwastotakeitout,butwhentheyreachedatthestairs.LuckyWouldn'tgoanyfarandbarkedtowardsthekitchen.SuddenlyMumrealizedwhythesoupwassitllbeingboiled.Shehurriedthereandfoundtherewaslittlesouplesavinginthepot.Mumquicklyturnedonthegas.
英语共十处错误..
关叶青回答:
化学:由正负离子数相等则2X2=6Xn(Al2(SO4)3)+2Xn(ZnSO4)同时n(Al2(SO4)3):n(ZnSO4)=1:3计算出硫酸锌的物质的量为1mol则硫酸锌的质量为161.45g
英语Lastevening,mymotheris(was)boilingsomefishsoupinthekitchenwhileourdog,Lucky,wasstandingthere.Itwouldspend(take)sometimebeforeitwasready.Mumdecidedtohaverestinthebedroom.Soonshewasasleep.Lately(Then)Luckycameinandwokeherup.Mumthoughtitjustlookedforwardtogo(going)outforawalkandwasto(删去wasto)takeitout,butwhentheyreachedat(删去at)thestairs.LuckyWouldn'tgoanyfar(farther)andbarkedtowardsthekitchen.SuddenlyMumrealizedwhy(that)thesoupwassitllbeingboiled.Shehurriedthereandfoundtherewaslittlesouplesaving(left)inthepot.Mumquicklyturnedon(off)thegas.
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