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valkas [14]
3 years ago
9

Why won't a fat–soluble vitamin dissolve in water?

Chemistry
1 answer:
Nataliya [291]3 years ago
8 0
<span>small organic molecules will not dissolve in water cannot be synthesized by body (except vitamin D) supplements packaged in oily gel caps excesses can cause problems since fat-soluble vitamins are not excreted readily</span>
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the properties of a substance that can be observed without altering its identify physical property. true false ?​
Lady_Fox [76]

Answer:

True

Explanation:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points.

6 0
2 years ago
What is the name of the state when electrons absorb energy and move to a higher energy level?
murzikaleks [220]

Answer:

Excited state is the name of the state when electrons absorb energy and move to a higher energy level.

Explanation:

3 0
3 years ago
The compound methyl butanoate smells like apples. Its percent composition is 58.8% C, 9.8% H, and 31.4% O, and its molar mass is
weeeeeb [17]
Let our basis for the calculation be 1 mol of the substance.
      (1 mol)(102 g/mol) = 102 g
Determine the amount of C, H, and O in mole.
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          H = (102 g)(0.098)(1 mol/1 g) = 9.996 mols H
          O = (102 g)(0.314)(1 mol/16 g) = 2 mols O

The empirical formula of the substance is C5H10O2. The molar mass of the empirical formula is 102. This means that this is also its molecular formula.

8 0
2 years ago
Read 2 more answers
If a muriatic acid solution has a pH of 2.50, what is the hydronium ion concentration (hydronium ion concentration is also the m
Irina18 [472]

Answer:

  • [H₃O⁺] = 0.032 M

Explanation:

The acidity of a solution is measured by its pH, which is the logarithm of the inverse of the molar concentration of hydronium (H₃O⁺) ions:

  • pH = log 1 / [H₃O⁺] = - log [H₃O⁺]

When you know the pH value you can find hydronium concentration using the antilogaritm function:

pH=-log[H_3O^{+}]\\ \\ {[H_3O^+]}=10^{-pH}\\ \\ {[H_3O^+]}=10^{-2.50}\\ \\ {[H_3O^+]}=0.0032

The unit of molar concentration is M.

To prove your answer you can take the logarithm of 0.0316:

  • log (0.0032) ≈ 2.500

5 0
3 years ago
When DNA replicates, the genes in the new strand are the orginal strand.
kirza4 [7]
I think The answer is A
6 0
3 years ago
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