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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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saranyaallu saranyaallu
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4 years ago
1.What colour change would you observe during this reaction?
CuCO3 + H2SO4 Rightwards Arrow CuSO4 + H20 + CO2

2.How does this suggest the charge of the hypochlorite ion in the compound is calcium hypochlorite?
The calcium ion has a charge of 2+ (Ca2+)

3.
What is the pH of 0.100 mol dm-3 ammonia solution if Ka for the ammonium ion is 5.62 x 10-10 mol dm-3? Kw = 1.00 x 10-14 mol2dm-14
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bio_manbio_man
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