Q2. (a) In order to analyze a sample of hydrated oxalic acid, the Bollowing data was collected :0.9g of anhydrous oxalic acid and 0.36g of water were present. Hydrated
Oxali acid has this formula (2001), XH 20.
©). Calculate the mole of anhydrous oxalic acid.
n. H2O4) = m (C2H2O4)
n (C2lt204)= 0.01 mol
M(C2H₂O4)
n (C2H2O4) = 0.96
90gnol
2010
Ci
Walt (). Determine the formula of hydrated oxalic acid, (COOH), XH 20.
Formula of oxalic acid is (CzHz04), its usual form is that of the
crystalline hydrate, (COOH)2. 2H₂O
185
G).Calculate the percentage of water in hydrated oxali acid?
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

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