How many atoms are there in 43.9g of Na?

When the compound, Na2S, is mixed with water, the Na2S is: soluble because all Na+1 compounds are soluble in water insoluble because most Na+1 compounds are insoluble in water soluble because all S-2 compounds are soluble in water insoluble because

In the chrysanthemums how are Elisa and the chrysanthemus si

What type (s) of atoms make up the element carbon? A. carbon only B. oxygen only C. carbon and oxygen

A 100.0 mL sample of a 0.200 M aqueous solution of K2CrO4 was added to 100.0 mL of a 0.100 M aqueous solution of BaCl2. The mixture was stirred and the precipitate was collected, dried carefully, and weighed.

In a galvanic cell, a spontaneous redox reaction occurs. however, the reactants are separated such that the transfer of electrons is forced to occur across a wire.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda