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Present Simple

I wish I eat a cheeseburger and some Cola for breakfast. I think it's very tasty. I like fast food. But this not healthy food so I wish I have a  salat, three tomatoes, some cucumbers and water. I and my mom likes cucumbers. It's healthy and tasty food. For evening meal I wish I have milk and a big cake. This is so cool. Especially if a cake with strawberries. My brother likes cakes with strawberry too.

Past Simple

I ate an orange on breakfast yesterday. Also I ate sandwiches and drank tea. It was tasty. For dinner I ate a soup. Of course I ate It with two slices of bread. And I don't forgot about good coffee. This gave me energy for all day. For evening meal I bought a cake, but without strawberry. For evening meal I bought a cake, but without strawberry. Also I bought a lot of sweets. I ate all It with cup of milk.

W(Na) = 34,6% n(Na) = w(Na) / M(Na) = 36,4 / 23 = 1,5 (моль);
w(P) = 23,3% n(P) = w(P) / M(P) = 23,3 / 31 = 0,75 (моль);
w(O) = 42,1% n(O) = w(O) / M(O) = 42,1 / 16 = 7,63 (моль);
Простейшая Отношение количеств веществ:
формула - ? n(Na) : n(P) : n(O) = 1,5 : 0,75 : 2,63
Разделим на наименьшее – 0,75:
n(Na) : n(P) : n(O) = 2 : 1 : 3,5
Так как коэффициенты в формулах обычно целочисленные, умножим на 2 (возьмем удвоенные числа в отношении индексов):
n(Na) : n(P) : n(O) = 4:2:7
Следовательно, простейшая формула – Na4P2O7.
ответ: Na4P2O7