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Nastasia [14]
3 years ago
7

Im confused! Can someone please show me the step by step process??

Chemistry
1 answer:
NeX [460]3 years ago
3 0
The formula for finding the volume is Length x Width x Height. Multiply the three numbers and show your work
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When do water molecule forms hydrogen bond with another water molecule which atoms are involved in the interation?
melomori [17]
A hydrogen from one molecule and an oxygen from the other molecule.
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Which layer of the atmosphere is between the mesosphere and the exosphere?
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C. Thermosphere is the correct answer
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2 years ago
A chemist prepares a solution of silver perchlorate by measuring out of silver perchlorate into a volumetric flask and filling t
djverab [1.8K]

Complete Question:

A chemist prepares a solution of silver (I) perchlorate (AgCIO4) by measuring out 134.g of silver (I) perchlorate into a 50.ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the silver (I) perchlorate solution. Round your answer to 2 significant digits.

Answer:

13 mol/L

Explanation:

The concentration in mol/L is the molarity of the solution and indicates how much moles have in 1 L of it. So, the molarity (M) is the number of moles (n) divided by the volume (V) in L:

M = n/V

The number of moles is the mass (m) divided by the molar mass (MM). The molar mass of silver(I) perchlorate is 207.319 g/mol, so:

n = 134/207.319

n = 0.646 mol

So, for a volume of 50 mL (0.05 L), the concentration is:

M = 0.646/0.05

M = 12.92 mol/L

Rounded to 2 significant digits, M = 13 mol/L

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3 years ago
For an object to sink
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Answer:

For and object to sink, it must have more density than the liquid in which it is placed. For example, if you have a glass of water and a metal spoon, the spoon will sink because it is both heavier than the water, therefore having more density.

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