7. What is the mass in grams of 5.90 mol CgH1g? (l point) 0.0512 g
O19.4 g
389 g
O673 g

m = 673 g

Explanation:

We need to find the mass of 5.90 mol of

Molar mass of is:

Let m be the mass of 5.90 mol of . Using mole concept to find it.

No of moles = mass/molar mass

So, the required mass is 673 g. Hence, the correct option is (d).

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

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