рассчитайте рh 0.0010 м раствора мышьяковистой кислоты и степень ее диссоциации (KH3ASO3= 6,0-10 10).

Сколько эквивалентов Ca(OH)2 будет нейтрализовано 0,8 М раствора HCl? 

GRAMMAR IN USE Complete the email. Use the verbs in brackets () with will or in the present continuous. 13.39 Listen and check.

Subject Our Highlands tour

Hi Danny,

I'm so excited that you (0) .re.camping. (come) with us on the Highlands tour tomorrow! The bus

(1) … (pick us up) at eight, so make sure you're up in time. Don't worry about breakfast because we (2) … (stop) at a motorway café at nine o'clock, so we can eat then. I don't know exactly what is included in this tour, but I think we

(3) I know we (4)

… (probably / see) at least three or four castles - they're on the website … (visit) Loch Ness because I saw it on the programme. We

might see the monster! In fact, according to the programme, we (5) half an hour at the Loch Ness Monster exhibition in the afternoon.

(spend)

It often rains in the Highlands at this time of year so it (6) …

… (probably/rain)

tomorrow, but I (7)… (not take) an umbreila - I don't want to carry it around all day! I don't know what time the tour ends but it (8) (be) dark by seven

o'clock, so I think we (9)

(be) home by then.

See you tomorrow. Michaela X