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MaRussiya [10]
3 years ago
15

Milk of magnesia is a sparingly soluble suspension of magnesium hydroxide in water. it acts as an antacid by neutralizing hydroc

hloric acid (hcl) in the stomach. which is the best explanation of how milk of magnesia neutralizes the conjugate acid produced by hcl and h2o in the stomach
Chemistry
1 answer:
belka [17]3 years ago
3 0

The milk of magnesia is a suspension of magnesium hydroxide in water, which is a strong base that is used to neutralize excess stomach acid. The presence of stomach acid or hydrochloric acid (HCl) that is known to be a strong acid will react with the strong base and neutralization reaction occurs since conjugate partners produced negligible strength where the products are a salt and water.

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The ____ is the time required for one half of the atoms of a radio scope to ____.
mash [69]
First blank is: Half-Life
Second Blank is: decay into its products
7 0
3 years ago
Helium and nickel are examples of ________. These
emmasim [6.3K]

Answer:

Elements, in turn, are pure substances—such as nickel, hydrogen, and helium—that make up all kinds of matter.

Hope This Helps!       Have A Nice Day!!

3 0
3 years ago
If 200. mL of 0.60 M MgCl2(aq) is added to 400 mL of distilled water, what is the concentration of Mg and Cl in the resulting so
sladkih [1.3K]

Answer:

C. 0.20 M Mg ion & 0.40 M Cl ion

Explanation:

MgCl₂ is a ionic salt which is dissociated as this

MgCl₂  →  Mg²⁺  +  2Cl⁻

First of all, we have a solution of 200 mL, with [MgCl₂] = 0.6M

Molarity . volume = moles.

0.6 mol/l . 0.2l = 0.12 mol

  MgCl₂  →  Mg²⁺  +  2Cl⁻

0.12mol      0.12         0.24

This moles are also in 400mL of water, so the new concentration is

[Mg²⁺] = 0.12 m/0.6L = 0.2M

[Cl⁻] = 0.24 m/0.6L = 0.4M

Remember we initially have 200mL and then, we add 400 mL, so we supose aditive volume. (600mL)

8 0
2 years ago
How many moles of Manganese there in are 5.76 x 10(15) atoms of Mn?
aksik [14]

Answer:

1. 9.57 × 10^-9 moles.

2. 7.38mol

Explanation:

1.) To find the number of moles there are in the number of particles in an atom, we divide the number of particles (nA) by Avagadro's constant (6.02 × 10^23)

Hence, to find the number of moles (n) of Manganese (Mn), we say:

5.76 x 10^15 atoms ÷ 6.02 × 10^23

5.76/6.02 × 10^(15-23)

= 0.957 × 10^-8

= 9.57 × 10^-9 moles.

2.) Mole = mass/molar mass

Molar mass of sodium chloride (NaCl) = 23 + 35.5

= 58.5g/mol

mole = 431.6 g ÷ 58.5g/mol

mole = 7.38mol

7 0
2 years ago
Which does not contain a lens?
CaHeK987 [17]
I think B or D because an eye obviously doesn't have a lense, mirror..maybe sorry for not giving u straight forward response
4 0
3 years ago
Read 2 more answers
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