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aleksandr82 [10.1K]
3 years ago
6

Calculate the number of grams of CH_3COOH in the vinegar.

Chemistry
1 answer:
AysviL [449]3 years ago
6 0
<span>when density in g/ml
9.86ml CH3COOH (X g/1ml) = g
1.049g/ml
9.86ml (1.049g/1ml) = 10.343 g
hope it helps
</span>
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In a 71.4 g sample of nahco 3 3 ​ , how many grams of sodium are present?
sweet [91]

There are 19.5 g Na in 71.4 g NaHCO₃

Calculate the <em>molecular mass of NaHCO₃</em>.

1 Na = 1 × 22.99 u = 22.99   u

1 H   = 1 × 1.008 u =    1.008 u

1 C   = 1 × 12.01  u =  12.01    u

3 O = 3 × 16.00 u =  <u>48.00  u </u>

               TOTAL =  84.008 u

So, there are 22.99 g of Na in 84.008 g NaHCO₃.

∴ Mass of Na = 71.4 g NaHCO₃ × (22.99 g Na/84.008 g NaHCO₃) = 19.5 g Na

4 0
3 years ago
What is the angle between two of the nitrogen-hydrogen bonds in the ammonium (NH4+) ion?
Arlecino [84]

Answer:

109° 27'

Explanation:

The ammonium ion is tetrahedral in shape, all the HNH bonds are exactly at the tetrahedral bond angle since there are only bond pairs in the structure and no lone pairs. Recall that lone pairs decrease the bond angke from the ideal value in a tetrahedron due to higher repulsion.

8 0
3 years ago
Define Nuclear Fission and Fusion
ASHA 777 [7]
A nuclear reaction in which a heavy nuclear splits spontaneously or on impact with another particle with the release of energy- fission

A nuclear reaction in which atomic nucleus with the release of energy-fusion

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3 years ago
From the given reactions, which process represents the bond dissociation?
Sonbull [250]

Answer:

The correct option is: Br₂--------->2 Br(g)

Explanation:

Bond dissociation is a process in which energy is applied to break a chemical bond between the atoms of a molecule to give free atoms.

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3 years ago
Calculate the mass in grams of 7.88 mol of RbMnO4
vitfil [10]
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mass = 1610.672 g

hope this helps!
8 0
3 years ago
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