Trung hoà 400g dung dịch HCl 3,65% bằng dung dịch KOH 1M . Thể tích dung dịch KOH cần dùng là: (H=1, Cl= 35,5, K=39, O=16)

Pháp luật quy định ntn về quyền tự do kinh doanh và nghĩa vụ đóng thuế

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.