Trong 800ml dung dịch NaOH có hòa tan 8,00g NaOH nguyên chất. Tính nồng độ mol của dung dịch trên Phải thêm bao nhiêu ml nước vào 200ml dung dịch NaOH ở trên để có dung dịch NaOH 0,1M

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Exercise 1: Complete the sentences, using the correct form of the verbs in the box. 1. I requested that everyone in my class (attend) __________my presentation. 2. I suggest that we (focus)__________on its advantages and disadvantages. 3. Our Geography teacher also advised that we ( talk)__________about issues that are familiar and important to our classmates. 4. The teacher demanded that the classroom (clean) __________ immediately. 5. My father insists that my brother (work) ____________ on the farm. 6. The governmentdemanded that rural people ( allow) _________________to live and look for jobs in big cities. 7. The government urged that people ( not/ waste) ______________natural resources. 8. His parents insisted that he ( find)____ ____________ a job and settle down in a big city. 9. My mother recommended that I (follow) _______________in my grndpa’s footsteps and ( become) _________ a teacher 10. I suggested that he ( move) ____________to the city for a better health care. Exercise 2: Complete the sentences, using the correct form of the verbs in brackets. 1. It is important that he (get) ___ gets___into a good university. 2. It is vital that people (allow) __________where to live. 3. It is crucial that urban people (not look down on) __________ rural people. 4. It is recommended that the presentation ( be) __________ no more than 15 minutes. 5. It's important that we ( talk)__________about how developed countries have solved the urbanisation problems. 6. Is it really necessary that we ( include ) _________ new information in the conclusion? 7. It is necessary that he (find)__________ the books. 8. It is important that you ( remember) ___________ this question. 9. It is important that the government (encourage )______________more investment in rural areas. in rural areas. 10. It is desirable that people in rural areas (have) ________ access to modern facilities and technology