Defeats the purpose of gravity.
<span>We need to calculate the equivalent amount in units of moles of ammonium ions from the mass units. For this we need the molar mass of the substances involved. We calculate as follows:
31.3 g </span>(NH4)2CO3 ( 1 mol (NH4)2CO3 / 96.09 g (NH4)2CO3) ( 2 mol NH4 / 1 mol (NH4)2CO3 ) = 0.65 mol <span>ammonium ions</span>
The circumstance which is it appropriate to ignore a data point when drawing the best line through data to make a graph is when there is the presence of the outliers.
<h3>What is a Graph?</h3>
This is defined as the pictorial representation of data or variables in an organized manner.
The graph when plotted contain a lot of points in which a line is drawn to pass the majority of them. In situations whereby some of the data point don't follow the line drawn then it must be ignored.
This is because they don't usually reflect the trend of the data which is why this particular scenario was chosen as the most appropriate choice.
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Consider the equation for weight:
W=mg
W is the weight, m is the mass, and g is the acceleration due to gravity.
Therefore, to calculate the weight of an object, just multiply its mass by the acc. due to gravity of the location.
The acc. due to gravity on Earth is approximately 9.81 ms^-2, note that this number may change from place to place, for example, the acc. due to gravity on moon is only 1/6 of Earth's. (Sometimes the question provides g as 10, so make sure you check the instructions before!)
W = 1.5 x 9.81
= 14.715N (≈14.7N)
Therefore, the answer to this question is the last option (or D), 14.7N.
