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GREYUIT [131]
3 years ago
6

5)All BUT one action would increase the rate at which solid metal will react with a acid solution. That is

Chemistry
2 answers:
lions [1.4K]3 years ago
7 0

Answer:

A decrease the molarity of the acid.

Explanation:

mark me brainlies

Brut [27]3 years ago
6 0

Answer:

a) decrease the molarity of the acid

the reaction rate will decrease

Explanation:

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melomori [17]
Cao +  H2O  ---->Ca(OH)2
Calculate   the  number  of  each   reactant  and  the  moles  of  the  product
that  is
moles = mass/molar mass
The  moles  of  CaO=  56.08g/  56.08g/mol(molar  mass  of  Cao)=  1mole
the  moles  of  water=  36.04 g/18  g/mol=  2.002moles
The   moles  of Ca (OH)2=74.10g/74.093g/mol= 1mole

 The  mass  of differences  of  reactant  and  product  can   be  therefore 
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 1  mole   of  Cao  reacted  completely   with   1  mole   H2O  to  produce  1 mole  of  Ca(OH)2. The  mass  of  water   was  in  excess  while  that  of  CaO  was  limited

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3 years ago
What is the pH of a solution with a concentration of 1.8 × 10-4 molar H3O+?
Andre45 [30]
PH is defined as the negative log of Hydrogen ion concentration. Mathematically we can write this as:

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8 0
3 years ago
True or false: an apple looks red because it absorbs red light?
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Answer:

Explanation:

True

4 0
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