Cho a mol HCl tác dụng với dd có chứa 0,1 mol Ca(OH)2 . Cho Fe vào dd sau phản ứng thấy có 4,48 lít khí Hidro ( ở đktc) thoát ra . Tính a

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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.