Một hchc A có công thức CnH2nO2 tác dụng với 90,91ml dd NaOH 8% (d=1,1 g/mol) ( lượng NaOH dùng vừa đủ ) theo tỉ lệ mol 1:1 cho 2 sản phẩm có tổng khối lượng là 25,6(g) a) tính khối lượng của A

b) xác định CTPT của A

Why do you suppose the structural polysaccharide cellulose does not contain branches? why do you suppose the structural polysaccharide cellulose does not contain branches? branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into globules, thereby decreasing the flexibility and strength of the globules. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into microfibrils, thereby increasing the rigidity and strength of the microfibrils. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into globules, thereby increasing the flexibility and strength of the globules. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into microfibrils, thereby decreasing the rigidity and strength of the microfibrils.

What diagram shows the ionic compound of magnesium oxide

Type the letter that represents the correct location for each particle type below.