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Given the balanced equation: MgCO3 + 2HCl --> MgCl2 + H2O + CO2, if 5 grams of MgCO3 is used, what volume of CO2 is produced? (molar mass of MgCO3 is 84.3 g/mol)

This question can be split up into two parts, and uses two key equations: 

It's always a good idea to look at what information we have been given already, and work out what we can do with it!...

AB
Answered by Angus B. Chemistry tutor
14047 Views

Describe strategies used by one country to manage population growth .(6 marks)

Rapid population growth is the exponential growth of a countries population leading to an aray of problems.To counteract such issues, countries employ strageties to prevent such from occuring in the futur...

MG
Answered by Maya G. Geography tutor
3208 Views

How should I structure my essays?

Intro- Place text into context & outline argument

Para 1- point 1
Point
Evidence (relevant quote or example from text)
Explain

Para 2- point 2 (PEE)

Para 3- poin...

NG
Answered by Naomi G. English tutor
1935 Views

How do I calculate molar concentrations and determine the mole value based on the mass of a compound?

Molar concentrations are calculated with the basic formula: Concentration (mol/ml) = Number of moles (mol) / Volume (ml). Remember to keep all units consistent and convert when appropriate.

The num...

KK
Answered by Khashayar K. Science tutor
6884 Views

Please show, using a diagram with explanation, the effect on the UK market for t-shirts of a flood in Bangladesh, a leading cotton growing nation.

Student should realise that the flood will reduce global supply of cotton, causing the supply curve on the diagram to shift left. The market equilibrium will therefore move along the demand curve until th...

MM
2094 Views

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