Technically, no because you are not changing the chemical make up of water when you freeze it, you are only changing the state. (liquid to solid)
To determine the number of moles(n) of a substance, divide its amount given in grams by the molar mass. The element in the problem is gold (Au) which has a molar mass of 196.97 grams per mole. The division is better illustrated below
n = 35.12 g / 196.97 grams per mole
The answer to the operation above is 0.1783 moles. Therefore, there are approximately 0.1783 moles of Au in 35.12 grams.
Answer:
Following are the complete balance of the given equation:
Explanation:
Given equation:
After Balancing the equation:
In the above equation, when the 3 mol Copper sulfate reacts with 2 mol lithium phosphate
, it will produce 2 mol Copper phosphate and 3 mol Lithium sulfate
.
1.94 * 6. 01 = 11.7 which is approximately same as 11 700. So the answer is 3).
Answer:
none of the above is the answer
