What is the molar mass of CaSO4 ?

Answers

Answer 1

Answer:

The molar mass of calcium sulfate (CaSO₄) is approximately 136.14 grams per mole (g/mol).

To calculate the molar mass of CaSO₄ (calcium sulfate), you need to sum up the atomic masses of all the individual atoms in the chemical formula.

The atomic masses (molar masses) of the elements are as follows:

Calcium (Ca) has a molar mass of approximately 40.08 g/mol.

Sulfur (S) has a molar mass of approximately 32.06 g/mol.

Oxygen (O) has a molar mass of approximately 16.00 g/mol.

Now, let's calculate the molar mass of CaSO₄:

Molar mass of CaSO₄ = (Molar mass of Ca) + (Molar mass of S) + 4 × (Molar mass of O)

Molar mass of CaSO₄ = 40.08 g/mol + 32.06 g/mol + 4 × 16.00 g/mol

Molar mass of CaSO₄ = 40.08 g/mol + 32.06 g/mol + 64.00 g/mol

Molar mass of CaSO₄ = 136.14 g/mol

So, the molar mass of calcium sulfate (CaSO₄) is approximately 136.14 grams per mole (g/mol).

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Answer 2

Answer: Ca = 40
S= 32
O=16
so... 40+32+(16X4) = 136

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Which is larger a zinc atom or a zinc ion? explain

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Suggest why the ph of the gut secretions varies at different regions in gut answer key anatomy

Answers

The answer in this question is just easy and simple, since there are lots of different enzymes being secreted in the stomach (the enzymes are made of protein and can be denatured by alternation of pH, each of these enzymes required to have a specific optimal pH.

Answer:

The correct answer is because they work at different pH levels.

Explanation:

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Have a nice day!

Which substances can act as an arrhenius acid in aqueous solution(1) NaI
(2) HI
(3) LiH
(4) NH3

Answers

An Arrhenius acid is a proton donor, hence among the following, HI is an Arrhenius acid in aqueous solution.

What is an acid?

Acids are defined as substances which on dissociation yield H+ ions , and these substances are sour in taste. Compounds such as HCl, H₂SO₄ and HNO₃ are acids as they yield H+ ions on dissociation.

According to the number of H+ ions which are generated on dissociation acids are classified as mono-protic , di-protic ,tri-protic and polyprotic acids depending on the number of protons which are liberated on dissociation.

Acids are widely used in industries for production of fertilizers, detergents batteries and dyes.They are used in chemical industries for production of chemical compounds like salts which are produced by neutralization reactions.

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HI acts as an arrhenius acid in solution. It will dissociate into H⁺ and I⁻ therefore being a proton donor. (HI is actually one of the 7 strong acids)
I hope this helps.

Which statement is correct for the reaction below?4X+Z yields 2R+2S
A: The rate of formation of R is one-half the rate of the disappearance of Z.
B: The rate of disappearance of Z is one-fourth of the rate of disappearance of X.
C: The rate of formation of R is double the rate of formation of S.
D: The rate of formation of S is double the rate of disappearance of X.

Answers

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What coefficients must be added to balance the following reaction __Sn+___H3PO4___=H2+___Sn3(PO4)4

Answers

answer 3Sn+ 4H3pO4= 6H2+Sn(PO)4

1 Sn 3 Sn
3 H 2 H
1 P 4 P
4 O 16 O
then you have to make the numbers the same for each side

so you get by putting the 3 infront of Sn 4 infront of the H3PO4 and 6 infront of the H2
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4 P 4 P
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Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases?A) Weak electrolytes do not dissolve in water and can not conduct electricity.
B) Weak electrolytes dissolve and partially dissociate in water providing charged ions to conduct electricity.
C) Weak electrolytes dissolve and completely dissociate in water providing charged ions to conduct electricity.
D) Weak electrolytes dissolve and does not dissociate in water providing no charged ions to conduct electricity.

Answers

Answer: B) Weak electrolytes dissolve and partially dissociate in water providing charged ions to conduct electricity.

Explanation: Weak electrolytes are those substances which do not dissociate completely when dissolved in water. They dissociate but then associate back and thus their dissociation is shown by an equilibrium sign. Example: $CH_3COOH$

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The charged species formed helps in the conduction of electricity.

Strong electrolytes are those substances which dissociate completely when dissolved in water. Their dissociation is shown by a forward arrow. Example: $NaOH$

$NaOH\rightarrow Na^++OH^-$

The charged species formed helps in the conduction of electricity.

B. Weak electrolytes are weak because they only partially dissociate into ions in water.

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