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Keith_Richards [23]
3 years ago
5

Can anyone figure out the answer?

Chemistry
1 answer:
Scrat [10]3 years ago
5 0
2.0 grams of mass which would make the dimand 
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What is Heterogeneous? And an example. What is Homogeneous? And an example. I just need those, thanks
Sedbober [7]
Homo means same
Hetero means different
Geneous means DNA
So homogeneous is same DNA
and heterogenous is different DNA
7 0
3 years ago
Sodium hydroxide (NaOH) and hydrochloric acid (HCl) react to form sodium chloride (NaCl) and water according to the equation:
Phantasy [73]
<span>NaOH + HCl → NaCl + H2O
1 mol                             1 mol
</span>2.75 × 10⁻⁴ mol              2.75 × 10⁻⁴ mol

M(H2O) = 2*1.0 +16.0 = 18.0 g/mol

2.75 × 10⁻⁴ mol H2O * 18.0 g H2O/1 mol H2O = 4.95*10⁻³ g H2O
3 0
3 years ago
Read 2 more answers
Sodium reacts with water to produce sodium hydroxide and hydrogen gas:
Kruka [31]

Answer:

3

Explanation:

3 0
4 years ago
Two molecules have the same molecular geometry but different electron domain geometries. Which combination of atoms and lone pai
m_a_m_a [10]
The correct answer is:
2 atoms and 2 lone pairs; 2 atoms and 1 lone pair.
Both AX₂E₂ and AX₂E have different electron domain geometry; AX₂E₂ is tetrahedral and AX₂E is trigonal planar but both of them has the same molecular geometry Bent

4 0
3 years ago
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What is the pH of an acid with a [H+] of 1.0 x 10&amp;-4 M?<br><br> 1. 4<br> 2. 10<br> 3. 1<br> 4. 7
True [87]
PH scale is from 1 to 14 and indicates how acidic or basic a solution is. To find pH or pOH we need to know the H⁺ ion concentration or OH⁻ concentration.
pH can be calculated using the following equation;
pH = -log[H⁺]
the H⁺ concentration of the given acid is 1.0 x 10⁻⁴ M. substituting this we can find the pH 
pH = -log[1x10⁻⁴]
pH = 4
answer is 1) 4
3 0
3 years ago
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