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Chemistry
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How can I work out which gas is released when ethanoic acid is reacted with sodium?

Ethanoic acid is CH3COOH. Acids can ionise, producing H+ ions and in this case, CH3COO (ethanoate) ions. The sodium exists as Na+ ions in solutio...

Answered by Sara R. Chemistry tutor
2086 Views

Calculate the amount of sodium chloride, NaCl, in 55.0cm3 solution with a concentration og 0.5mol/dm3

The amount in moles of a solute in a solution in a given volume of solution can be calculated if the concentration of the solution is also known. The equation for concentration is: Concentrati...

Answered by Oreoluwa M. Chemistry tutor
5924 Views

You are given 120g of Calcium. How many moles have you been given? (Ar =40)

Use the equationNumber of moles = Mass / Relative Atomic Mass. Look at what I draw on the whiteboard. It is a formula triangle. This will help you when you have different parts of the equation to get to t...

Answered by Saba N. Chemistry tutor
9503 Views

Describe the structure and bonding of sodium chloride

Sodium chloride is a giant ionic lattice consisting of alternating, adjacent positively charged sodium ions and negatively charged chloride ions in a regular arrangement of rows and columns. The ions are ...

Answered by Olivia H. Chemistry tutor
24199 Views

Please write the equation to form the compound Zinc Chloride?

Firstly, you should think of what would react to form Zinc chloride and what Zinc chloride even is.Looking at the periodic table and with knowledge from class, I as a student should know that this is an e...

Answered by Mohammad Jakir A. Chemistry tutor
5738 Views

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