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2 years ago

13

What is the common name of beryllium

1 answer:

irga5000 [103]2 years ago

6 0

T, the lightest member of the alkaline-earth metals of Group 2 (IIa) of the periodic table, used in metallurgy as a hardening agent and in many outer space and nuclear applications.

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How many moles of n are in 0.225 g of n2o?

katrin2010 [14]

<span>First, divide the mass of N2O by it's molar mass of 46 g/mol to determine the number of moles of N2O, then multiply that number by two since there are two moles of N in each mole of the compound N2O. This results in a final answer of 9.78X10^-3 moles of N in 0.225g of N2O.</span>

5 0

3 years ago

What is the correct name for this formula: BaCl2

Inessa05 [86]

BaCI2 stands for Barium Chloride. Hope this helps!

3 0

3 years ago

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How can you explain technology

____ [38]

Technology is machinery and equipment made to form experiments

3 0

4 years ago

Read 2 more answers

A 25.888 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 73.464 g of wa

brilliants [131]

Answer:

Weight % of NH₃ in the aqueous waste = 2.001 %

Explanation:

The chemical equation for the reaction

$\\\\NH_3} + HCl -----> NH_4Cl$

Moles of HCl = Molarity × Volume

= 0.1039 × 31.89 mL × $\frac{1 \ L}{1000 \ mL}$

= 0.0033 mole

Total mass of original sample = 25.888 g + 73.464 g

= 99.352 g

Total HCl taken for assay = $\frac{10.762 \ g}{99.352 \ g}$

= 0.1083 g

Moles of NH₃ = $\frac{0.0033 \ mol}{0.1083}$

= 0.03047 moles

Mass of NH₃ = number of moles × molar mass

Mass of NH₃ = 0.03047 moles × 17 g

Mass of NH₃ = 0.51799

Weight % of NH₃ = $\frac{0.51799 \ g}{25.888 \ g} * 100%$ %

Weight % of NH₃ in the aqueous waste = 2.001 %

4 0

4 years ago

GIVEN BRAINLIEST

Alla [95]

C :)

I know this is right, I learned about this last year so I would really appreciate a brainliest

have a good day bud :)

5 0

3 years ago