Tenessine used to be called Ununseptium, however since it was only recently regarded as an actual element and the existence of the element has now been proven, it ended up receiving the name Tenessine. The atomic number is 117 and is in a Halogen.
Answer:
Substance A
Explanation:
A substance that has a higher density than water will sink in water, while that with a lower density than water will float on water.
Substance A, with a lower density of 0.98 g/ml as compared to that of water (1.0 g/ml) will thus float in water.
<u>What is density?</u>
Density is defined as the amount of substance per unit volume. The concept of density is usually one of comparison, which means whether a substance with a particular density value will sink or float will depend on the fluid's density it is placed in.
A higher density means that the substance has a higher mass per unit volume, so it's "heavier" and will thus sink.
<u>Formula</u>
To learn more about density, check out: brainly.com/question/9149928
Answer:
48.075g(or 48g in correct sig figs)***
Explanation:
=48.075g
*64.1g is the mass of SO2 which is calculated by simply taking the mass of sulfur and oxygen(but doubling it since there are two oxygens) and adding them together(32.1+2x16.0)
**btw the mol units cancel because of dimensional analysis in case anyone was wondering why
***if your teacher is like mine and specifically wants your answer in correct sig figs, use the answer in parentheses as the original problem only has 2 sig figs
The answer is "32.9 meq/liter".
1875ml = 1875 / 1000 = 1.875ml
mass of magnesium = 24.305 g
0.750 g Mg²+ x 1 mole Mg²⁺/24.305 g x 2 equivalents/mole
= 0.617 equivalents0.0617 eq x 1000 meq/eq = 61.7 meq37.4 meq/1.875 L = 32.9 meq/liter