Answer:
8.77 grams NaC
Explanation:
To find the mass of NaCl, you need to (1) use the molarity equation to find moles, then (2) calculate the molar mass of NaCl (via the periodic table), and then (3) convert moles NaCl to grams (via molar mass). The final answer should have 3 sig figs because the given values also have 3 sig figs.
(Step 1)
Molarity (M) = moles / volume (L)
0.250 M = moles / 0.600 L
(0.250 M) x (0.600 L) = moles
0.150 = moles
(Step 2)
Molar Mass (NaCl): 22.99 g/mol + 35.45 g/mol
Molar Mass (NaCl): 58.44 g/mol
(Step 3)
0.150 moles NaCl 58.44 g
--------------------------- x ------------------- = 8.77 grams NaCl
1 mole
HgSO₄ is insolube, just as many other compounds of Mercury are.
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Potassium Does! Hope that helps
