5. Molecular formula gives the number of atoms of each kind of element present in one molecule of a compound. (True/False) ?Give correct answer and got 100 point and brainliest answer​

What is the temperature of one mole of helium gas at stp?

Can someone me with 6 to 10 plz this is for masteries test.

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water