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3 years ago

15

Help pls what is the (H+) of a solution with a pH of 4?

2 answers:

AfilCa [17]3 years ago

6 0

The answer will be a I’m sure

Answer :A

Natalka [10]3 years ago

4 0

Answer:

A

Explanation:

[H+] = 10^-pH

[H+] = 1 x 10^-4 M

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Write the 1 g equivalents using the following prefixes: (a) mega−, (b) kilo−, (c) deci−, (d) centi−, (e) milli−, (f) micro−, (g)

dem82 [27]

<u>Explanation:</u>

Unit is defined as the quantity that is used as a standard for measurement.

S.I. unit of mass of kilograms. Other units in which mass of a substance can be measured are grams, milligrams, etc...

All these units are inter convertible.

<u>For a:</u> Mega-

The conversion factor used is:

$1g=10^{-6}Mg$

<u>For b:</u> kilo-

The conversion factor used is:

$1g=10^{-3}kg$

<u>For c:</u> deci-

The conversion factor used is:

$1g=10dg$

<u>For d:</u> centi-

The conversion factor used is:

$1g=10^{3}cg$

<u>For e:</u> milli-

The conversion factor used is:

$1g=10^3mg$

<u>For f:</u> micro-

The conversion factor used is:

$1g=10^6\mu g$

<u>For g:</u> nano-

The conversion factor used is:

$1g=10^9ng$

<u>For h:</u> pico-

The conversion factor used is:

$1g=10^{12}pg$

8 0

3 years ago

Finding the density of solids requires a method of measuring the volume of the solid. If the solid has a regular geometric shape

Eduardwww [97]

Answer:

11 g/cm³

sorry if I got wrong

6 0

3 years ago

hodyreva [135]

I think it’s C but I’m not sure

6 0

3 years ago

What are the three parts of a nucleotide? an organic base, a protein, and a sugar an organic base, a phosphate group, and water

Katena32 [7]

Answer: an organic base, a phosphate group, and a sugar

Explanation:

A nucleotide is made up of 3 parts. We know a nucleotide is not made up of water so we are left with 2 choices. Nucleotides are made up of phosphate group, 5-carbon sugar, and nitrogenous base. The nitrogeneous base is typically adenine. The answer choice that matches this the closest is an organic base, a phosphate group, and a sugar.

The organic base is the nitrogeneous base and the sugar is the 5-carbon sugar.

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4 years ago

Sunny makes a poster showing the levels of

Vladimir [108]

Answer:

3rd and 5th!

Explanation:

:)

5 0

3 years ago

Read 2 more answers