Calculate the number of mole calcium. That can be obtaine from 30g of calcium trioxocarbonate (iv) in the present of excess hydrocliod acid (ca =40, c =12, o =16, cl =35.5)
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how many moles of CaCO3 in 30g?
The reaction equation will tell you how many moles of CaCl2 to expect.
The reaction equation will tell you how many moles of CaCl2 to expect.