cho bt độ tan của CuSO4 ở 10 độ C là 17,4g tings lượng tinh thể CuSO4 * 5H2O tách ra khi làm lạnh 600g dd CuSO4 24% Ở nhiệt độ thường xuống 10 độ C

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.