<span>From left to right:
1) starts at high pH, no buffer zone - strong base being titrated with strong acid
2) starts at low pH, no buffer zone - strong acid being titrated with strong base
3) starts at low pH, shows a buffer zone - weak acid titrated with strong base
4) starts at high pH, shows a buffer zone - weak base titrated with strong acid
5) polyprotic due to two equivalence points
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4.33898305 is the density
Divide mass/volume
The rock is limestone, I hope this helps!!
Answer:
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Explanation: Cuse ;) MeIsBigSmartsNow Its correct cuse ;)
Answer:
a) Single displacement reaction
b) Decomposition reaction
c) Double displacement reaction
d) Precipitation reaction
Explanation:
(a) 
In this reaction, oxygen is replaced by C, so it is a type of displacement reaction. Here, only one species is being replaced, therefore, it is a single displacement reaction.
(b) 
In this reaction, potassium chlorate decomposes to potassium chloride and oxygen, so it is a type of decomposition reaction.
(c) 
In this reaction, chloride and OH- ions are being replaced. so, it is a type of double decomposition reaction.
(d) 
In this reaction,
is precipitated, so it is a type of precipitation reaction.