Read the letter again and decide whether the sentences are T (true) or F (false). 1 Georgia is on holiday with her friends 2 She has windsurfing lessons three times a week.

KCl ∙ NaCl  - сильвинит

   хг       уг      2г
AgNO3+KCl=AgCl+KNO3
170г      74,5    143,5г
х= 170*2/143,5=2,37г
у= 74,5*2/143,5 = 1,04г