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hjlf
3 years ago
5

Increasing the ? of a solvent increases the solubility of the solute

Chemistry
2 answers:
mart [117]3 years ago
8 0

The answer is temperature

Gelneren [198K]3 years ago
7 0
There are a lot of ways to increase the solubility of the solute. <span>Increasing the temperature, mixing time and surface area of a solvent increases the solubility of the solute</span>
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True or false. (Pls help)
grigory [225]
I believe they’re both true.
5 0
2 years ago
Read 2 more answers
In a certain electrolysis experiment, 1.24 g of Ag were deposited in one cell (containing an aqueous AgNO3 solution), while 0.65
eduard

Answer:

The correct answer is 169.56 g/mol.

Explanation:

Based on the given information, the mass of Ag deposited is 1.24 g, and the mass of unknown metal X deposited in another cell is 0.650 g. The number of moles of electrons can be determined as,

= 1.24 g Ag * 1mol Ag/107.87 g/mol Ag * 1 mol electron/1 mol Ag ( the molecular mass of Ag is 107.87 g/mol)

= 0.0115 mole of electron

The half cell reaction for the metal X is,  

X^3+ (aq) + 3e- = X (s)

From the reaction, it came out that 3 faraday will reduce one mole of X^3+.  

The molar mass of X will be,  

= 0.650 g/0.0115 *3 mol electron/1 mol

= 56.52 * 3

= 169.56 g/mol

7 0
3 years ago
The atomic number is always equal to the atomic mass true false
kifflom [539]

Answer:

<h3>A neutral (no charge) particle found in the nucleus of an atom. ... The atomic number of an atom is equal to the number of protons or neutrons? false. The atomic number is always equal to the atomic mass.</h3>
7 0
3 years ago
The formula for calcium oxide is CaO. What are the formulas for magnesium oxide and strontium oxide?
Hunter-Best [27]

Answer:

Formula of magnesium oxide is MgO and formula of strontium oxide is SrO

Explanation:

Ca, Mg and Sr are same group bivalent metals.

Oxygen is a bivalent element

In general, formula of a compound made of a cation M^{x+} and an anion A^{y-} is M_{y}A_{x} for x\neq y

When x = y, formula of the compound becomes MA

As both these metals and oxygen are bivalent therefore formula of magnesium oxide is MgO and formula of strontium oxide is SrO.

8 0
3 years ago
Read 2 more answers
How many valence electrons does zinc oxide have?
Oduvanchick [21]
Zinc oxide has 2 valence
3 0
2 years ago
Read 2 more answers
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