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Rama09 [41]
3 years ago
9

What is one use of the fluoride ion?

Chemistry
1 answer:
bearhunter [10]3 years ago
3 0

Answer:

Fluoride is commonly used in dentistry to strengthen enamel, which is the outer layer of your teeth. Fluoride helps to prevent cavities. It’s also added in small amounts to public water supplies in the United States and in many other countries. This process is called water fluoridation.

Explanation:

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Which acid has the largest ka: hclo3(aq), hbro3(aq) or hio3(aq)?
ryzh [129]
Greater the Ka value greater is the acid strength. Among these three acids HClO3 is the strongest acid, with greatest Ka and lowest pKa value (-1), Then comes HBrO3, its the second most strongest acid among the three, its Pka value is 0.7, higher than HClO3 but smaller than HIO3 (i.e. 0.77) which the weakest acid among the three.

3 0
4 years ago
State two differences between physical change and chemical change
Lubov Fominskaja [6]

Answer:

See explanation

Explanation:

1) Physical change is usually reversible, while chemical change isn't

2) Chemical change involves the change of chemical composition of matter while physical change doesn't

6 0
3 years ago
Read 2 more answers
If it’s very blurry tell me so I could upload another one
just olya [345]

Answer:

A. a wide variety of life exists in the florida panhandle

Explanation:

more panhandles = more diversity among organisms

4 0
3 years ago
A teniss ball has more mass than a gold ball because it?
kakasveta [241]

Hello There,

I believe you stated your question wrong. This is not possible. A tennis ball can't have more mass than a gold ball.

If you MEANT to say:

A golf ball has more mass than a tennis ball because

then your answer would be:

It contains more matter


Best Of Luck,

- Kai -

6 0
4 years ago
According to the bottle, a serving size of Gatorade is 240 mL. The molar mass of Red Dye #40 is 496.43 g/mol. Use this informati
alexgriva [62]

Answer:

mass Red Dye 40 = 0.0696 mg

Explanation:

aas found by means of quantitative methods of analysis of dyes in sports drinks:

⇒ [Red Dze 40] = 5.842 E-7 mol/L

analysis performed at a wavelength of 504 nm; value that is below the allowable limits for these drinks.

∴ mass of Red Dye ingested:

⇒ mass Red Dye = (5.842 E-7 mol/L)(496.43 g/mol)(1000 mg/g)(0.240 L)

⇒ mass Red Dye = 0.0696 mg

5 0
4 years ago
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