I think it’s C
a, sugar can’t conduct electricity
b, you don’t want to conduct electricity with something wet
salt can be a conductor of electricity
one mole of MgSO4.7H2O weighs 246.4696 g
<span>in that one mole are seven moles of H2O, weighing 126.1036 g </span>
<span>The percentage of water is this calculation: </span>
<span>(126.1036 / 246.4696) * 100 = 51.17</span><span>%
</span>
Its C, Outermost Electrons.
Answer:
measuring the mass of metal used in a reaction
Answer:
DOUBLE DISPLACEMENT (mutual exachange of ions in aqueous form)
Ca is more reactive than Fe
hence it will displace Fe from ferrous nitrate solution and form Calcium Nitrate and Ferrous Sulphate will be formed
GOOD LUCK WITH THE FUTURE! :)
