ПОМОГИТЕ ПОЖАЛУЙСТА! Какая масса оксида магния вступила в химическую реакцию с водой, при этом образовалось 3,1 г гидроксида магния?​

Если не впадлу помоги пж пж)14 Fill in the gaps, using the words from the right-hand column. Going on holiday is great fun, and it's so easy! First of all go to the 1 travel agent’s and collect some 2 _________ . Pick the holiday you want and go back to the travel agent's to 3 _________ it. You'll receive your 4 _________ a week or so before you depart. Make sure that you have a valid 5 _________, some foreign 6 _________, some traveller's 7 _________ and some insurance. Pack your 8 _________ and then you're ready to go! Go to the airport and 9 _________. The person at the desk will take your luggage and give you a 10 _________. This shows you your seat. You then go through a security check and wait in the 11 _________. If you like, you can browse around the 12 _________ shop. When your flight is called, go to the appropriate 13 _________ for your flight and 14 _________ your plane. The 15 _________ will help you find your seat. Don't forget to fasten your 16 _________ before the plane 17 __________. When you get to your destination and the plane 18 _________, you disembark and pass through 19 _________, where you will have to show your passport. Collect your luggage and leave the airport. If you are on a package tour, there will probably be a coach to take you to your hotel. From then on, you can take things easy, 20 _________ on the beach and 21 _________.

sightseeing

boarding pass

land

cabin crew

take off

brochures 

book (v)

departure lounge

board (v)

gate

currency  

tickets

check in (v)

safety belt

suitcase

sunbathing

cheques

passport  

duty free

customs

travel agent's