How many moles of solute are in 250 mL of 2.0 M cobalt (II) nitrate [ Co(NO3)2] ?

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2