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Viktor [21]
4 years ago
7

Clay has a negative charge. What (3) nutrients need by plants have a positive charge?

Chemistry
1 answer:
zimovet [89]4 years ago
3 0
Calcium, sodium and hydrogen
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sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of the solution?
Ludmilka [50]

Answer:

35.15%

Explanation:

\frac{45}{128}=0.3515=35.15%%

5 0
3 years ago
In a chemical change molecules DO NOT create or break chemical bonds to form a new substance you might be able to observe a chem
vesna_86 [32]

Answer:

false

Explanation:

3 0
3 years ago
Which number represents the water table?<br><br> 1<br> 2<br> 3<br> 4
zimovet [89]

Answer:

I think that is number 3

Explanation:

3

3 0
3 years ago
Read 2 more answers
A compound is formed when 171.2g of carbon reacts with 28.8 g of hydrogen what is the mass percent of hydrogen in the compound
PolarNik [594]
Hi.

You can calculate mass percent by dividing the mass by the total mass of the compound & multiplying by 100.

28.8 ÷ (171.2 + 28.8) = 0.144

0.144 · 100 = 14.4

I believe the mass percent of the hydrogen in the compound is 14.4%

~
5 0
3 years ago
Read 2 more answers
Can somebody help me ​
Anastaziya [24]
It would be:
2H2 + O2 -> 2H2O


5 0
3 years ago
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