giúp t đặt câu vs telepathy ( hình thức giao tiếp bằng ý nghĩ, thần giao cách cảm )
t chịu ko lm nổi
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giúp t đặt câu vs telepathy ( hình thức giao tiếp bằng ý nghĩ, thần giao cách cảm )
t chịu ko lm nổi
Giải:
Khối lượng Nacl có trong 1kg dung dịch là:
mct = mdd.c% = 1 x 0,9% = 0,009 (kg)
Khối lượng dung môi có trong 1kg dung dịch là:
1 - 0,009 = 0,991 (kg)
Cách pha chế 1kg dung dịch Nacl nồng độ 0,9% như sau:
Lấy 0,991kg nước để hòa tan hoàn toàn 0,009 kg Nacl ta sẽ thu được dung dịch Nacl nồng độ 0,9%
ah bn ơi trên 2 câu trả lời mới mở đc nhé nó bj lỗi ấy
Ceremony: The ceremony was held in the school yard, and all students wore uniforms. Contestant: Each contestant tried their best, so the competition became very exciting. Longevity: People believe that exercise is important, because it helps improve longevity. Monk: The monk lives a simple life, but he is respected by many people.
Igloo: The Inuit built an igloo because the weather was extremely cold.
Interact: Students can interact with teachers online, so learning becomes more flexible. Musher: The musher controlled the dogs carefully, while the race was taking place.
Tap: Turn off the tap after use, so that we can save water.
Function: Each part of the machine has its own function, and they work together.
Hyperloop: Hyperloop is a modern transport system, but it is still being developed.
Ferry: We went to the island by ferry, because there was no bridge.
Bullying: Bullying should be stopped, because it seriously affects students’ mental health. Post: The sign was fixed to a post, so everyone could see it clearly.
Statue: The statue was built many years ago, and it represents a national hero.
Wooden: The house is wooden, but it is very strong and beautiful.
Hospitality is a universal feature of Vietnamese ethnic cultures, emphasizing community ties.
I kill him by telepathy
dc đấy