Propose a heat pack recipe. Include the mass of salt (g), the volume of water (mL), and the target temperature change (℃).

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

1.75 is the weight of one medium egg

Are there any options that could alot..

Putting salt in vinegar water