Answer: option B. 5g
Explanation:
50mL of H2O dissolves 25g of CaCl2.
Therefore, 10mL of H2O will dissolve Xg of CaCl2 i.e
Xg of CaCl2 = (10 x 25) /50 = 5g
SIH4 Silicon tetrahyrdide
This is considered a physical change because the water does not change its chemical properties - it is still water. It is simply just moving its shape such as gas form, liquid form, or solid form.
