Asolution of cacl2 in water forms a mixture that is 34.5% calcium chloride by mass. if the total mass of the mixture is 477.4 g, what masses of cacl2 and water were used?

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon