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Calculate the number of moles in a sample of 113.47g of Ca(HCO3)2.

Using the AQA specimen data sheet we see that the RAMs of the following elements areCa = 40.1H = 1.0C = 12.0O = 16.0Therefore the total mass for one mole isCa + 2x(H + C + O+O+O)= 40.1 + 2x(1+12+16+16+16)...

JL
Answered by Jacob L. Chemistry tutor
2573 Views

Do you think the dumbing down of history for television and in museums is a good thing?


We must first question the idea that the history found in museums and on television is "history for dummies".  Therefore, It is essential to deconstruct questions given in Oxbridge intervi...

KS
1728 Views

Despite the soviet union’s attempts to improve relations, it was the USA continually aggressive foreign policy that was predominantly responsible for the escalation of Cold War tensions between 1950-62?

Following the death of Stalin, and a domestic power struggle, Khrushchev took control of the Soviet Union in 1953. His coming to power quickly became recognised as the ‘Khrushchev Thaw’ as a result of de-...

KR
2063 Views

What is the Thaw?

The period of 1950-62 is one that had seen, both the most improvement in relations and an escalation of Cold War tensions. Known as the ‘Thaw’ this period marked a time where both countries seemingly reco...

KR
7683 Views

Explain the different approaches to comparative politics

Macro-level - the global or national level interactions between structures (structuralism) which include but are not limited to relations between large social groups (e.g poor vs. elite) such as Skocpol’s...

KR
1816 Views

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