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Westkost [7]
3 years ago
10

Can someone please explain to me how to find the molar mass of hydrated sodium thiosulfate. I put the formula in above if you ne

ed it.​

Chemistry
2 answers:
MakcuM [25]3 years ago
8 0

Answer:

Is that all in the Image take a bigger pic

Explanation:

Veronika [31]3 years ago
7 0

Answer:

Name: Sodium Thiosulfate Pentahydrate.

Formula: Na2S2O3.5H2O.

Molar Mass: 248.1841.

Explanation:

Hope this helps :D

and feel free to click that thanks button

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Formula for Ni2+ and NO3
lyudmila [28]

The formula of a compound is Ni(NO_3)_2

Given:

The ions Ni^{2+} and NO_3^-

To find:

The formula for ions Ni^{2+} and NO_3^-

Solution:

The ion with a positive charge (cation) = nickel ion = Ni^{2+}

The ion with a negative charge (anion) = nitrate ion = NO_3^-

Valency on nickel ion = 2

Valency on nitrate ion = 1

Using the criss-cross method as shown in image

The formula of a compound : Ni(NO_3)_2

The name of a compound is nickel(II) nitrate

Ni^{2+}+2NO_3^-\rightarrow Ni(NO_3)_2

The formula of a compound is Ni(NO_3)_2

Learn more about ions here:

brainly.com/question/24389121?referrer=searchResults

6 0
3 years ago
1) a solution with a hyrdrogen ion concentration of 1x10^-4 moles/liter would have a PH of what?
lana66690 [7]

Answer:

pH = -log(concentration of hydro.gen ion)

1. When con. of H ion is 1*10-4 mol/L

pH = -log(1*10-4) = -(-4) = 4

2. A solution with a pH of 1*10-12mol/L

pH = -log (1*10-12) = -(-12) = 12

The pH is 12 and the solution is basic or alkaline

3.A solution with a pH of 6 has the concentration of

pH = -log (H+)

(H+) = arc log -pH

(H+) = 1*10-6

Explanation:

7 0
3 years ago
Chemical reaction to make a foam?​
Dmitry [639]

Hydrogen peroxide breaks down into oxygen and water. As a small amount of hydrogen peroxide generates a large volume of oxygen, the oxygen quickly pushes out of the container. The soapy water traps the oxygen, creating bubbles, and turns into foam.
8 0
3 years ago
How many grams of ice at -13 deg C must be added to 711 grams of water that is initially at a temperature of 87 deg C to produce
Basile [38]

Answer:

The answer to your question is m = 4.7 kg

Explanation:

Data

Ice                                   Water

mass = ?                          mass = 711 g

T₁ = -13°C                         T₁ = 87°C

T₂ = 10°C                         T₂ = 10°C

Ch = 2090 J/kg°K          Cw = 4180 J/kg°K

Process

1.- Convert temperature to kelvin

T₁ = 273 + (-13) = 260°K

T₁ water = 87 + 273 = 360 °K

T₂ = 10 + 273 = 283°K

2.- Write the equation of interchange of heat

                 - Heat lost = Heat absorbed

               - mwCw(T₂ - T₁) = miCi(T₂ - T₁)

-Substitution

              - 0.711(4180)(10 - 87) = m(2090)(10 - (-13))

- Simplification

                            228842.46 = 48070m

                            m = 228842.46/48070

-Result

                            m = 4.7 kg

4 0
3 years ago
What causes water molecules to be attracted to each other?
Fiesta28 [93]
This polarity makes water molecules attracted to each other. The oxygen-hydrogen bond in the alcohol molecule is also polar. But, the carbon hydrogen bonds in the rest of the alcohol molecule are nonpolar. In these bonds, the electrons are shared more or less evenly.
8 0
3 years ago
Read 2 more answers
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