user-avatar
procfvtc111
2 năm trước
trong 500 gam dung dịch nước muối có bao nhiêu gam muối, biết nồng độ muối trong dung dịch trên là 6% ( theo khối lượng )? trả lời đúng giúp mình nha
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Giải giúp em bài này nha. Nhớ ghi đáp án + giải thích luôn nha :3 Fill each blank with a correct word to finish the passage. No more teacher? No more books? For today's kids, the Internet has all the answer. Gadgets come and go and most of them don't have a very long life. The Internet, (1)..., seems to be here to stay. The World Wide Web is now the largest information (2)... in the world and teenagers can find more or less anything they want there. They can (3)... music and films, watch TV, listen to the radio, send e-mails and even shop online. In the United States for example, more than 78% of kids go (4)..., according to a recent study. A lot of them are just (5)... the Web and instant messaging their friends. But 94% of those online said they also used it (6)... schoolwork. This technology has allowed them to (7)... a vast store of knowledge which was inaccessible before. With online tutoring and virtual schools, technology (8)... students to get specific help. It is also possible to be a part of study (9)... or discuss school projects with international e-mail pals. Perhaps more than anything, the Internet search engine Google has changed homework (10)... across the globe. But the problem is that it is so easy to "copy and paste" that teachers need to change homework assignments or projects every year. 1/ A. moreover; B. because; C. however; D. although 2/ A. resource; B. technology; C. informatics; D. generation 3/ A. play; B. discover; C. oversee; D. download 4/ A. chat; B. online; C. forum; D. connect 5/ A. looking; B. surfing; C. diving; D. watching 6/ A. in; B. on; C. with; D. for 7/ A. access; B. enrich; C. upload; D. inform 8/ A. makes; B. allows; C. creates; D. opens 9/ A. group; B. commune; C. book; D. land 10/ A. customs; B. vocations; C. habits; D. traditions

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team