Một dd X chứa x mol KHCO3 và y mol K2CO3 a,Nếu cho (x+y) mol BACl2 vào dd thì thu được m1g kết tủa b,nếu cho (x+y) mol BA(OH)2 vào dd thì thu được m2 g kết tủa so sánh m1 m2

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I think you should buy _____  pack of mineral water instead. And you can also buy _____  snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______  cookies and soft candies.

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We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

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I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.