Acompound contains 259.2 g of f and 40.8 g of c. what is the empirical formula for this compound?

Express the following number in scientific notation. 0.026890 =

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent