Cho 100ml NaHCO3 1M tác dụng vừa đủ với 200ml H2SO4 2M thu được V lít khí và m gam muối. Tìm m và V

The girl                     is our neighbour.

talks to the woman over there

is talking to the woman over there

was talking to the woman over there

All of us are waiting for the man                son was a famous doctor.

Mr Smith,                 is a retired teacher, often does volunteer work to help the poor and the disabled people.

Ms Loan, to                 many of her students are writing, is living happily in Ho Chi Minh City.

Hanoi City,                   is one of the largest city in Vietnam, has a population of over 7 million.

Hanoi City,                   is one of the largest city in Vietnam, has a population of over 7 million.

I have two sisters                        are doctors.

both of which                       B. who both

We visited the church                    in France in the 19th century.

A.was buil                            B. which built

Can you say something about the city you was born?

This's my boyfriend,                  comes from England.

She's the woman                sister looks after my child.

 Ba Na Hill,    we are going to visit, seems to be a paradise for people.

The pollution                     they were talking is getting worse.

The girl                     I borrowed the dictionary asked me to use it carefully.

The girl                     I met yesterday is very beautiful.

Is that the old film                    we watched 5 months ago?

The person to                    I was speaking didn't know English.

Mai,                         parents live in Hanoi, has gone to France.

We'll come in May                         the schools are on holiday.

The man with                        I have been working is very friendly.

The woman,                     was sitting in the meeting hall, didn't seem friendly to us at all.

I bought a T- shirt                is very nice.

We need a teacher                         native language is English.

The old building                         is in front of my house fell down.

My mother,                     everyone admires, is a famous teacher.

This is the village in                     my family and I have lived for over 20 years.

7Was Neil Armstrong the first person                 foot on the moon?

The man                   next to me kept talking during the film,            really annoyed me.

A.having sat / that                          B. sitting / which

The exercises which we are doing                    very easy.

Do you know the boy                    we met at the party last week?

The children,                         parents are famous teachers, are taught well.

He bought all the books                        are needed for the next exam.

 She is talking about the author                   book is one of the best-sellers this year.

Giá trị của m để hàm số y=$\frac{{\mathrm{x}}^2+\mathrm{mx}+1}{\mathrm{x}+\mathrm{m}}$đạt cực đại tại x=2 

Cho hàm số $\mathrm{y}=\left(\mathrm{m}-1\right){\mathrm{x}}^3$$-3{\mathrm{x}}^2-\left(\mathrm{m}+1\right)$$\mathrm{x}+3{\mathrm{m}}^2$$-\mathrm{m}+2$ . Để hs có cực đại, cực tiểu thì 

Cho hàm số $\mathrm{y}=\left(\mathrm{m}-1\right){\mathrm{x}}^3$$-3{\mathrm{x}}^2-\left(\mathrm{m}+1\right)$$\mathrm{x}+3{\mathrm{m}}^2$$-\mathrm{m}+2$ . Để hs có cực đại, cực tiểu thì 

a)x-$4\sqrt{x}$+4

b)x-$5\sqrt{x}$-6