Cho oxit MxOy của kim loại M có hóa trị không đổi. Hãy xác định công thức của oxit trên biết rằng 3,06 gam oxit nguyên chất tan trong dung dịch HNO3 dư thu được 5,22 gam muối.

Two things that biomedical has invented or innovated

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.