How many carbon atoms are present

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1. A jar of glucose powder contains 2.00 mol of glucose, C6H12O6.

a. What amount, in mol, of oxygen atoms, are present?

b. What amount, in mol, of carbon atoms are present?

c. How many carbon atoms are present?

2. Oxalic acid is found in rhubarb leaves. The analysis shows that 5.00 g of crystals of this acid contains 1.33 g carbon and 3.56 g oxygen. The only other element present is hydrogen.

a. Determine the empirical formula of oxalic acid.

b. If the molar mass of oxalic acid is 90.0 g mol-1 , find its molecular formula.

3.) A Chemistry 11 student tries to explain that based on the ratio of the reactants in the reaction below, 1.0 g of magnesium (Mg) reacts with 1.0 g chlorine gas (Cl2). Using math and logic, explain to this student why he is wrong. [3C] Mg(s) + Cl2(g) → MgCl2(s)

Reference no: EM132749417

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