You have been given 42 g of a mystery solid.
When placed in 100 g
of water and heated to
approximately 29 °C,
it appears to create a
saturated solution. State
your conclusions about the
identity of the substance

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium