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3 years ago

What is the h concentration in a solution with a ph of 1.25

Chemistry

2 answers:

nydimaria [60]3 years ago

8 0

Answer:

5.62 and -2

Explanation:

lyudmila [28]3 years ago

5 0

Answer:

0.056 M

Explanation:

To calculate the concentration of h we must use the following formula:

10^-pH

So lets plug in our pH:

10⁻¹.²⁵

When we plug this into our calculator our answer is

0.056 M

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What gasous product would you expect when water is drop over calcium carbide

wolverine [178]

Answer:

Ethyn gas ( acetylene gas )

Explanation:

All group II carbides react with water to form ethyn gas apart from beryllium which produces methane gas.

${ \sf{CaC_{2(s)} + 2H _{2} O_{(l)} → Ca(OH) _{2(s)} + C _{2} H _{2(g)} }}$

7 0

3 years ago

Write the balanced net ionic equation for the reaction between mno4- and fe2+

Citrus2011 [14]

2MnO4 - + Fe2+ ------> Fe2(MnO4)2

7 0

4 years ago

1.50μm2. Convert this to square meters.

nignag [31]

1μ = 10 $^{-6}$ .
Therefore, 1.5μ = 1.5 x 10 $^{-6} m ^{2}$ .

Hope this helps, have a great day ahead!

4 0

4 years ago

Why must energy be absorbed to change a liquid to a gas?

Komok [63]

Answer: Heat energy is absorbed to vaporize a liquid because molecules which are held together by intermolecular forces in the liquid are separated as the gas is formed

Explanation:whatever that means^ I looked it up

4 0

3 years ago

Volume of HCl used 25.0mL 4 l

borishaifa [10]

Answer:

1.0 M

Explanation:

Reaction equation;

KOH(aq) + HCl(aq) -----> KCl(aq) + H2O(l)

Concentration of acid CA = ?

Concentration of base CB = 1.0 M

Volume of base VB = 25.60 - 0.50 = 25.1 ml

Volume of acid VB = 25.0 ml

Number of moles of acid NA = 1

Number of moles of base NB =2

CAVA/CBVB =NA/NB

CAVANB = CBVBNA

CA = CBVBNA/VANB

CA = 1 * 25.1 * 1/25.0 *1

CA = 1.0 M

8 0

4 years ago