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Masja [62]
2 years ago
14

if a man with type ab blood marries a woman heterozygous for type A what is the probability that their child would be type B???

Biology
1 answer:
Anna11 [10]2 years ago
8 0

Answer:

1/4.

Explanation:

Via a punett square, the only possible combinations are AA, AB, AO and BO. Since BO is the only way the child has type B, the chances are 1 in 4.

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3 years ago
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You are required to make 10mL of a 0.5M solution of HCl. Your stock solution of HCl is 90M. Using distilled water (dH2O) as a so
sleet_krkn [62]

Answer:

0.0556 mL of 90 M HCl would be taken and 9.944 mL distilled water added to make 0.5 M, 10 mL HCl solution.

Explanation:

From the dilution equation:

<em>Initial molarity (m1) x initial volume (v1) = final molarity (m2) x final volume (v2).</em>

In this case, m1 = 90 M, v1 = ?, m2 = 0.5 M, and v2 = 10 mL

v1 = m2 x v2/ m1 = 0.5 x 0.01/90 = 0.0000556 L

v1 = 0.0556 mL

This means that the initial volume of 90 M HCl to be taken is 0.0556 mL. Since the final volume to be prepared is 10 mL,

 10 - 0.0556 = 9.944 mL

<em>Hence, 0.0556 mL of 90 M HCl would be taken and 9.944 mL distilled water added to make 0.5 M, 10 mL HCl solution.</em>

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