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Naya [18.7K]
3 years ago
5

Help i’m taking a test!!

Chemistry
1 answer:
pogonyaev3 years ago
5 0

Answer:

Element Z

Explanation:

I hope this is correct and helps you!

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Digoxin is available in a concentration of 0.1 mg/ml. How many ml are required to administer a 75 mcg dose?
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Answer : The volume required to administer a 75 mcg dose are, 0.75 mL

Explanation : Given,

Concentration of Digoxin = 0.1 mg/mL

That means, 0.1 mg of Digoxin present in 1 mL of solution.

Mass of dose = 75 mcg = 0.075 mg

Conversion used : (1 mcg = 0.001 mg)

Now we have to determine the volume required to administer a 75 mcg dose.

As, 0.1 mg of Digoxin required in 1 mL of solution

So, 0.075 mg of Digoxin required in \frac{0.075mg}{0.1mg}\times 1mL=0.75mL of solution

Thus, the volume required to administer a 75 mcg dose are, 0.75 mL

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3 years ago
As you are giving a friend directions to your house, you tell them that
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What is 50 plus 50vhvvhygygyfyftftfffffffrdrdrdrdrdr?
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4 years ago
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Creates a water and salt by this double replacement reaction.
LenKa [72]

Both acid and base

Because

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3 years ago
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How much HCl is produced from the reaction of an excess of HSbCl4 with 3 moles H2S in the following reaction? HSbCl4 + H2S → Sb2
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Answer:

We will produce 8.0 moles of HCl , this is 291.7 grams HCl

Explanation:

Step 1: Data given

Number moles of H2S = 3.0 moles

Step 2: The balanced equation

2HSbCl4 + 3H2S → Sb2S3 + 8HCl

Step 3: Calculate moles HCl

For 2 moles HSbCl4 we need 3 moles H2S to produce 1mol Sb2S3 and 8 moles HCl

For 3.0 moles H2S we'll have 8.0 moles HCl

Step 4: Calculate mass HCl

Mass HCl = moles HCl * molar mass HCl

Mass HCl = 8.0 moles * 36.46 g/mol

Mass HCl = 291.7 grams

We will produce 8.0 moles of HCl , this is 291.7 grams HCl

8 0
3 years ago
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