Spaghetti sauce can be high in sodium. what is a good guideline for mg of sodium per half cup serving?

2 answers:

8 0

2000mg is the daily limit of salt intake. for 1 meal, it should be much less and half cup serving is not even 1 meal. so ans is D. Less than 400mg.

lorasvet [3.4K]2 years ago

5 0

The answer is 2300 mg which is equal to one teaspoon of salt

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In Atomic Absorption Spectrophotometry, narrow atomic lines are desirable. However, line broadening arises from: (a) Jablonski e

LenKa [72]

Answer: b) Doppler Effect

Explanation:

Line broadening in AAS, arises due to some effects, which can occur due to a number of factors. The line width broadening effects include: Doppler, Lorentz, Self absorption, and quenching effects.

Doppler effect arises because along the line of observation, atoms will have different components of velocity.

7 0

3 years ago

Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrange

lara31 [8.8K]

Answer:

-) 2-methylbut-2-ene

-) 2-methylbut-1-ene

-) 3-methylbut-1-ene

Explanation:

in this case, the hydration of alkenes is a marknovnikov reaction, this means that the "OH" group would be added in the most substituted carbon of the double bond. (Figure 1)

For 2-methylbut-2-ene the most substituted carbon is the tertiary carbon (the carbon in the right of the double bond), so we will obtain the desired molecule. In 2-methylbut-1-ene the most substituted carbon is again the tertiary carbon (the carbon in the bottom of the double bond), so we will obtain 2-methyl-2-butanol. Finally, for 3-methylbut-1-ene the carbocation would be formed on carbon 3, this is a secondary carbocation. We can obtain a most stable carbocation if we do a hydride shift (Figure 2). With this new molecule is possible to obtain 3-methylbut-1-ene.