при растворении в кислоте 11,9 г металла выделилось 2,24 л водорода (н.у) . Чему равна молярная масса эквивалентов металла? срочно нужно решите пожалуйста)

переведите на англ..(не с переводчика!)

I`m sorry, I`m late.

I`m afraid, I`ve left my book at home.

Can I have copy, please.

 What do you call this thing in English.

Shall i read the text.

Can I say it like that .

Sorry. I didn`t get this. Could you say it again, please?

Could you repeat thr last sentence?

How do you spell this word? 

How do you pronounce this word?

I'm not sure how say it in english.

What`s a better way of saying this?

Could you explain  it again, please?

Could you write it up on the board?

is it my turn?

СРОЧНО!