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Vika [28.1K]
3 years ago
15

What is the ratio for calcium bicarbonate

Chemistry
1 answer:
guapka [62]3 years ago
8 0

ca(HCO3)2 this is what  i think it is

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Please help, I'm struggling with stoichiometry
rusak2 [61]

Answer:

a) HNO3

b) 26.8g (3 s.f.)

c) 1.29g (3 s.f.)

Please see the attached pictures for full solution.

To balance an equation, ensure that the number of atoms for each element is the same on both sides.

3 0
4 years ago
how many moles of nitrogen gas are produced in the reaction if we started with 6 moles of ammonium nitrate
babunello [35]
9moIN2 :
The molar ratio between Nitrogen and ammonia is
1
:
3
, therefore, to produce 18 moles of ammonia, we will need
7 0
3 years ago
10 ejemplos de disoluciones identificando el soluto y el solvente y el tipo de disolucion que corresponde
Keith_Richards [23]

Answer:

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4 0
3 years ago
Earth is approximately 1.5x10^8 km from the sun. The speed of light is 3.0x10^8. How many minutes does it take for light to reac
Masteriza [31]
1.5 x 10^{8} mm = 1500 x 10^{8} m

1500 x 10^{8} / ( 3.0 x 10^{8} ) = 500 s

500/60 = 8.3 

So approximately it takes 8.5 minutes 


Hope that helps, Good luck! (:<span />
3 0
3 years ago
Identify and calculate the number of representative particles in 2.15 moles of gold.<br>​
LekaFEV [45]

Answer:

1.29 * 10^{24} particles of gold

Explanation:

To convert the number of moles of any substance, in this case gold, you need Avogadro's number.

Avogadro's number is always 6.022 × 10^{23}

2.15 moles Au × \frac{6.022*10^{23} particles}{1 mole Au} = 1.29 * 10^{24} particles of gold

5 0
3 years ago
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