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ivann1987 [24]
3 years ago
5

you are given a prescription for a hundred mL of a 15% hydrochloric acid solution the pharmacy carries 90% Hydrochloric solution

how many mls of the concentration of solutions are needed to fill this prescription
Mathematics
1 answer:
enyata [817]3 years ago
8 0

If q represents the quantity of solution needed, you require

... 0.90q = 0.15×(100 mL)

... q = (0.15/0.90)×(100 mL)

... q ≈ 16.7 mL

_____

You actually need 16 2/3 mL of concentrated solution.

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3 years ago
Folds - Circle Cliffs, UT. Both monoclines and anticlines uplift and deform rock layers such that when eroded, certain ages of r
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Answer:the relative ages of the rocks exposed in the circle cliff area are given below.

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2. But when younger rocks are exposed in contrast to the older rocks, these younger rocks are exposed at the center while the older ones receive exposure at the flanking flatirons.

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7 0
3 years ago
What is 0.1 repeating as a fraction​
marta [7]

Answer:1/9

Step-by-step explanation:

5 0
2 years ago
Graph + > -1.
andrew-mc [135]

You have the right idea but the endpoint is at the wrong location. Instead, the green dot should go at -1. The shading is to the right. We use a closed filled in circle here (instead of an open hole) to tell the reader "include the endpoint". So -1 is part of the solution set.

In short, the graph consists of a closed filled in circle at -1 with shading to the right. This visually describes all values that are larger than -1, or equal to -1.

6 0
2 years ago
Read 2 more answers
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