I )
Excess sodium hydroxide solution is added to 20.0 mL of 0.184 M ZnCl2,
calculate the mass of zinc hydroxide that will precipitate.
+
NaOH(aq)
ZnCl2(aq)
Zn(OH)2(s)
+
2NaCl(aq)
(4 marks)

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

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