hòa tan 28,4 g 1 hỗn hợp gồm 2 muối cacbonat của 2 kim loại hóa trị II bằng dung dịch HCl dư thu được 10 lít khí (ở 54,6 độ C và 0,8064) và 1 dung dich X a, tính khối lượng muối trong dung dịch X b, tính công thức của 2 muối trong dung dịch X , biết 2 kim loại ở 2 chu kì liên tiếp ở nhóm IIA

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Do you know a mouse which typically wears red shorts, large yellow shoes, a nd white gloves? Yes, it must be Mickey Mouse, one of the world’s most recognizable characters. He was created by Walt Disney and Ub Iwerks at the Walt Disney Studios in 1928 and has been the official mascot of the Walt Disney Company. Mickey often appears alongside his girlfriend Minnie Mouse, his pet dog Pluto, his friend Donald Duck and Goofy, and his nemesis Pete. Mickey officially made its first public appearance in the short film Steamboat Willie (1928). It was one of the first sound cartoons. He went on to appear in over 130 films, including The Band Concert (1935), Brave Little Tailor (1938). Mickey appeared mostly in short films, but also occasionally in feature-length films. Ten of Mickey’s cartoons were nominated for the Academy Award Best Animated Short Film. One of these cartoons, Lend a Paw, won the ward in 1942. In 1978, Mickey became the first cartoon character to have a star on the Hollywood Walk of Fame. 16. What does Micket Mouse typically wear? A. red shorts B. large yellow shoes,a nd white gloves C. both A and B 17. What is the official mascot of the Walt Disney Company? A. Walt Disney B. Ub Iwerks C. Mickey 18. When did Mickey officially debut? A. 1928 B. 1935 C. 1938 19. How many Mickey’s cartoons won the Academy Award for Best Animated Short Film? A. ten B. one C. none 20. When did Mickey become the first cartoon character to have a star on the Hollywood Walk of Fame? A. 1938 B. 1940 C. 1978