1 answer:
Answer:
H3PO4
Explanation:
The H3PO4 is an acid as it release H+ ion when dissolved in a solution and H3PO4 is known as phosphoric acid
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geruow0irghvn3p0unhie0ghik
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A, D, E
Explanation:
Answer:
643.21g 1 mol 6.022^23
262.87 g 1 mol
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653.45
Explanation:
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CuO(aq) + H2(g) → H2O(l) + Cu(s)
CuO= 64 + 16= 80g
1 mole of CuO → 1 mole of Cu
80g of CuO → 1 mole of Cu
20.50g of CuO → y
y= 20.50/80= 0.26mole.
