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Klio2033 [76]
3 years ago
15

how does a model make it easier for someone to understand the sun's and the moon's influences on the tides

Chemistry
1 answer:
vlada-n [284]3 years ago
7 0
By the hunger and weight level
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What volume of 0.200 m hcl is required for the complete neutralization of 2.00 g of nahco3 (sodium bicarbonate)?
Umnica [9.8K]
The reaction between HCl and NaHCO3 will be;
HCl + NaHCO3 = NaCl + CO2 + H2O
The relative formula mass of NaHCO3 is 84 g/mol
Moles of NaHCO3 in 2 g will be; 2/84 =0.0238 moles
The mole ratio of HCl and NaHCO3 is 1;1
Thus, the number of moles of HCl is 0.0238 moles
 The volume of HCl will be;
  = 0.0238 moles/0.2 
  = 0.119 liters or 119 cm³
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3 years ago
What is Chemistry? What topics are covered in chemistry?
salantis [7]

Answer:

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4 0
2 years ago
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evablogger [386]
4.it tells you that baking soda is an alkali
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2 years ago
What is the mass in grams of 5.50 mol of sodium?
Zolol [24]

Answer:

126.5g

Explanation:

n=<u>m</u><u> </u>

M

where n is moles

m is mass of substance

M is molar mass

molar mass of sodium is 23g/mol

m=nM

m=5.5(23)

m=126.5

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3 years ago
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