Cho 100g dung dịch hcl 3,65% tác dụng với 200g dung dịch naoh 4%. Tính nồng độ phần trăm các chất trong dung dịch sau phản ứng ? (Cho biết : na = 23; h = 1; cl = 35,5; o = 16; ca = 40; c =12)

Choose the best answer.

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.

Choose the best answer.

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

Choose the best answer.

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