Answer:
The equation for molarity is moles/liter for the first question you would do 0.256/0.143 liters to get 1.790 mol/L
Explanation:
The second problem you would do need to find the moles of NaCl which you would do by doing 4.89 g/58.44g/mol= 0.08367 then do 0.08367/0.600= 0.139 mol/L
The third problem would be the same steps as the second one.
The fourth problem would be (0.460M)(5.50L)= 2.53 moles
Calcium Chloride would have a charge of +2
Hopes this helps :)
B.
I think this is right.
If it is not I apologize
B) brings order to the elements. This is correct because elements are in order by highest atomic number.
Answer:
gypsum
Explanation:
gypsum is used to make plaster of Paris
