B is the right answer because it’s a double replacement reaction and the potassium is balanced with the sulphate
A medium can be anything that a wave can pass through e.g the medium can be solid objects, air, water, etc.
True. Ions can have a positive or negative charge.
Answer:
19.32
Explanation:
the density is given by the mass over volume
the mass In this case is 342.93 and the volume is 17.75
d=342.93g/17.75cm
=19.32g/cm
i hope this helps